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Vulnerability details: VCID-38zg-dgk4-aaac
Vulnerability ID VCID-38zg-dgk4-aaac
Aliases CVE-2021-28153
Summary An issue was discovered in GNOME GLib before 2.66.8. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is attacker-controlled. (If the path is a symlink to a file that already exists, then the contents of that file correctly remain unchanged.)
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-59 Improper Link Resolution Before File Access ('Link Following')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-28153.html
rhas Moderate https://access.redhat.com/errata/RHSA-2021:4385
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28153.json
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-28153
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epss 0.00444 https://api.first.org/data/v1/epss?cve=CVE-2021-28153
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epss 0.00615 https://api.first.org/data/v1/epss?cve=CVE-2021-28153
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epss 0.00615 https://api.first.org/data/v1/epss?cve=CVE-2021-28153
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epss 0.00834 https://api.first.org/data/v1/epss?cve=CVE-2021-28153
epss 0.01318 https://api.first.org/data/v1/epss?cve=CVE-2021-28153
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rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1938291
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28153
cvssv3.1 3.7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-28153
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-28153
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-28153
archlinux Low https://security.archlinux.org/AVG-1680
generic_textual Medium https://ubuntu.com/security/notices/USN-4764-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-28153.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28153.json
https://api.first.org/data/v1/epss?cve=CVE-2021-28153
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28153
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.gnome.org/GNOME/glib/-/issues/2325
https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RXTD5HCP2K4AAUSWWZTBKQNHRCTAEOF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICUTQPHZNZWX2DZR46QFLQZRHVMHIILJ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6RXTD5HCP2K4AAUSWWZTBKQNHRCTAEOF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICUTQPHZNZWX2DZR46QFLQZRHVMHIILJ/
https://security.gentoo.org/glsa/202107-13
https://security.netapp.com/advisory/ntap-20210416-0003/
https://ubuntu.com/security/notices/USN-4764-1
1938291 https://bugzilla.redhat.com/show_bug.cgi?id=1938291
984969 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=984969
AVG-1680 https://security.archlinux.org/AVG-1680
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
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:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2021-28153 https://nvd.nist.gov/vuln/detail/CVE-2021-28153
RHSA-2021:4385 https://access.redhat.com/errata/RHSA-2021:4385
RHSA-2022:8418 https://access.redhat.com/errata/RHSA-2022:8418
USN-4764-1 https://usn.ubuntu.com/4764-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28153.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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/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: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-28153
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:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-28153
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:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-28153
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 0.68362
EPSS Score 0.00286
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.