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CVE

CVE-2021-3800

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.

MEDIUM · CVSS 5.5 EPSS 0.00063
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-552Files or Directories Accessible to External Parties
▤

Affected Products & Versions

4
gnome glib< 2.62.5
gnome glib>= 2.63.0 and < 2.63.6
debian linuxall versions
netapp active iq unified managerall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Aug 2022 · 04:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

4
msrcCVE-2021-3800
suse-csafSUSE-SU-2022:0828-1
usnUSN-5189-1
rhsaRHSA-2021:4385Low
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2021-3800Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1938284Issue TrackingPatchThird Party Advisory
https://gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00020.htmlMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20221028-0004/Third Party Advisory
https://www.openwall.com/lists/oss-security/2017/06/23/8ExploitMailing ListPatchThird Party Advisory
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