Off-by-one Error Affecting glibc package, versions <2.31-13+deb11u4
Snyk CVSS
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Test your applications- Snyk ID SNYK-DEBIAN11-GLIBC-2340919
- published 14 Jan 2022
- disclosed 24 Aug 2022
Introduced: 14 Jan 2022
CVE-2021-3999 Open this link in a new tabHow to fix?
Upgrade Debian:11
glibc
to version 2.31-13+deb11u4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream glibc
package and not the glibc
package as distributed by Debian:11
.
See How to fix?
for Debian:11
relevant fixed versions and status.
A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system.