Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-9t45-d5mf-3uar
Vulnerability ID VCID-9t45-d5mf-3uar
Aliases CVE-2018-1000079
GHSA-8qxg-mff5-j3wc
Summary Path Traversal RubyGems contains a Directory Traversal vulnerability in gem installation that can result in the gem being able to write to arbitrary filesystem locations during installation. This attack appears to be exploitable by a victim installing a malicious gem.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 5.5 http://blog.rubygems.org/2018/02/15/2.7.6-released.html
generic_textual MODERATE http://blog.rubygems.org/2018/02/15/2.7.6-released.html
cvssv3.1 5.5 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2018:3729
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2018:3729
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2018:3730
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2018:3730
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2018:3731
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2018:3731
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2019:2028
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2019:2028
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2020:0542
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2020:0542
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2020:0591
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2020:0591
cvssv3.1 5.5 https://access.redhat.com/errata/RHSA-2020:0663
generic_textual MODERATE https://access.redhat.com/errata/RHSA-2020:0663
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000079.json
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
cvssv3.1 5.5 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895778
generic_textual MODERATE https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895778
cvssv3 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-8qxg-mff5-j3wc
cvssv3.1 5.5 https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
generic_textual MODERATE https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
cvssv3.1 5.5 https://github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183
generic_textual MODERATE https://github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183
cvssv3 5.5 https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
cvssv3.1 5.5 https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
generic_textual MODERATE https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
cvssv3.1 5.5 https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
generic_textual MODERATE https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
cvssv3.1 5.5 https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-1000079
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-1000079
cvssv3.1 5.5 https://security-tracker.debian.org/tracker/CVE-2018-1000079
generic_textual MODERATE https://security-tracker.debian.org/tracker/CVE-2018-1000079
cvssv3.1 5.5 https://usn.ubuntu.com/3621-1
generic_textual MODERATE https://usn.ubuntu.com/3621-1
cvssv3.1 5.5 https://www.debian.org/security/2018/dsa-4219
generic_textual MODERATE https://www.debian.org/security/2018/dsa-4219
cvssv3.1 5.5 https://www.debian.org/security/2018/dsa-4259
generic_textual MODERATE https://www.debian.org/security/2018/dsa-4259
Reference id Reference type URL
http://blog.rubygems.org/2018/02/15/2.7.6-released.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
https://access.redhat.com/errata/RHSA-2018:3729
https://access.redhat.com/errata/RHSA-2018:3730
https://access.redhat.com/errata/RHSA-2018:3731
https://access.redhat.com/errata/RHSA-2019:2028
https://access.redhat.com/errata/RHSA-2020:0542
https://access.redhat.com/errata/RHSA-2020:0591
https://access.redhat.com/errata/RHSA-2020:0663
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000079.json
https://api.first.org/data/v1/epss?cve=CVE-2018-1000079
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895778
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17405
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17790
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000073
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000074
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000075
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000076
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000077
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000078
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000079
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6914
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8777
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8778
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8779
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8780
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
https://github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183
https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://usn.ubuntu.com/3621-1
https://usn.ubuntu.com/3621-1/
https://www.debian.org/security/2018/dsa-4219
https://www.debian.org/security/2018/dsa-4259
1547426 https://bugzilla.redhat.com/show_bug.cgi?id=1547426
CVE-2018-1000079 https://nvd.nist.gov/vuln/detail/CVE-2018-1000079
CVE-2018-1000079 https://security-tracker.debian.org/tracker/CVE-2018-1000079
GHSA-8qxg-mff5-j3wc https://github.com/advisories/GHSA-8qxg-mff5-j3wc
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at http://blog.rubygems.org/2018/02/15/2.7.6-released.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2018:3729
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2018:3730
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2018:3731
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2019:2028
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2020:0542
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2020:0591
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/errata/RHSA-2020:0663
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000079.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895778
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1000079
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://security-tracker.debian.org/tracker/CVE-2018-1000079
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://usn.ubuntu.com/3621-1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://www.debian.org/security/2018/dsa-4219
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://www.debian.org/security/2018/dsa-4259
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.54624
EPSS Score 0.00316
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:47:36.785594+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rubygems-update/CVE-2018-1000079.yml 38.0.0