Information disclosure in GNOME Glib
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 privileged users to unprivileged ones under the right condition.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- GNOME Glib
- NetApp Active Iq Unified Manager
- Debian Linux — versions 10.0
- Glib — versions Fixed in glib2 2.63.6
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/CVE-2021-3800 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/06/23/8 (Exploit, Patch, Mailing List, Third Party Advisory)
- gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995 (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20221028-0004/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3800?
- CVE-2021-3800 is a medium-severity vulnerability in GNOME Glib, classified under Information Disclosure. CVSS score: 5.5/10. Published 2022-08-23.
- How severe is CVE-2021-3800?
- Medium severity. CVSS v3 base score is 5.5 out of 10.