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Vulnerability details: VCID-4u1u-zxbs-aaag
Vulnerability ID VCID-4u1u-zxbs-aaag
Aliases CVE-2018-12020
Summary mainproc.c in GnuPG before 2.2.8 mishandles the original filename during decryption and verification actions, which allows remote attackers to spoof the output that GnuPG sends on file descriptor 2 to other programs that use the "--status-fd 2" option. For example, the OpenPGP data might represent an original filename that contains line feed characters in conjunction with GOODSIG or VALIDSIG status codes.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-706 Use of Incorrectly-Resolved Name or Reference
CWE-20 Improper Input Validation
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12020.html
rhas Important https://access.redhat.com/errata/RHSA-2018:2180
rhas Important https://access.redhat.com/errata/RHSA-2018:2181
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12020.json
epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
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epss 0.00415 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.00481 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.00481 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
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epss 0.01522 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01853 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
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epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
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epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
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epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.02599 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1589620
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12020
generic_textual Medium https://dev.gnupg.org/T4012
cvssv3 7.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.1 https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
generic_textual MODERATE https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html
generic_textual Medium https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
generic_textual Medium https://neopg.io/blog/gpg-signature-spoof/
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
archlinux High https://security.archlinux.org/AVG-713
generic_textual Medium https://sourceforge.net/p/enigmail/forum/announce/thread/b948279f/
generic_textual Low https://ubuntu.com/security/notices/USN-3675-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3675-2
generic_textual Medium https://ubuntu.com/security/notices/USN-3675-3
generic_textual Medium https://ubuntu.com/security/notices/USN-3964-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3675-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3675-2
generic_textual Medium https://usn.ubuntu.com/usn/usn-3675-3
generic_textual Medium https://usn.ubuntu.com/usn/usn-3964-1
Reference id Reference type URL
http://openwall.com/lists/oss-security/2018/06/08/2
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-12020.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12020.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12020
https://dev.gnupg.org/T4012
http://seclists.org/fulldisclosure/2019/Apr/38
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
https://neopg.io/blog/gpg-signature-spoof/
https://sourceforge.net/p/enigmail/forum/announce/thread/b948279f/
https://ubuntu.com/security/notices/USN-3675-1
https://ubuntu.com/security/notices/USN-3675-2
https://ubuntu.com/security/notices/USN-3675-3
https://ubuntu.com/security/notices/USN-3964-1
https://usn.ubuntu.com/3675-1/
https://usn.ubuntu.com/3675-2/
https://usn.ubuntu.com/3675-3/
https://usn.ubuntu.com/3964-1/
https://usn.ubuntu.com/usn/usn-3675-1
https://usn.ubuntu.com/usn/usn-3675-2
https://usn.ubuntu.com/usn/usn-3675-3
https://usn.ubuntu.com/usn/usn-3964-1
https://www.debian.org/security/2018/dsa-4222
https://www.debian.org/security/2018/dsa-4223
https://www.debian.org/security/2018/dsa-4224
http://www.openwall.com/lists/oss-security/2019/04/30/4
http://www.securityfocus.com/bid/104450
http://www.securitytracker.com/id/1041051
1589620 https://bugzilla.redhat.com/show_bug.cgi?id=1589620
901088 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901088
ASA-201806-8 https://security.archlinux.org/ASA-201806-8
AVG-713 https://security.archlinux.org/AVG-713
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2018-12020 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
RHSA-2018:2180 https://access.redhat.com/errata/RHSA-2018:2180
RHSA-2018:2181 https://access.redhat.com/errata/RHSA-2018:2181
USN-USN-4839-1 https://usn.ubuntu.com/USN-4839-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12020.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:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L 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:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.debian.org/debian-lts-announce/2021/12/msg00027.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: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12020
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12020
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12020
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 0.73741
EPSS Score 0.00415
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.