CVE-2021-3800
MEDIUMCVSS 5.5/10EPSS 0.53%
Last modified
CVE-2021-3800 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Glib | < 2.62.5 |
| Gnome | Glib | >= 2.63.0, < 2.63.6 |
| Debian | Debian Linux | 10.0 |
| Netapp | Active Iq Unified Manager | All versions |
References
- https://access.redhat.com/security/cve/CVE-2021-3800Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1938284Issue Tracking, Patch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00020.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221028-0004/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2017/06/23/8Exploit, Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3800Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1938284Issue Tracking, Patch, Third Party Advisory
- https://gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00020.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221028-0004/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2017/06/23/8Exploit, Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-3800?
CVE-2021-3800 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3800?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3800?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST