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A buffer overflow was discovered in the GNU C Library's...

High severity Unreviewed Published Oct 3, 2023 to the GitHub Advisory Database • Updated Mar 2, 2024

Package

No package listedSuggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

References

Published by the National Vulnerability Database Oct 3, 2023
Published to the GitHub Advisory Database Oct 3, 2023
Last updated Mar 2, 2024

Severity

High
7.8
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE ID

CVE-2023-4911

GHSA ID

GHSA-m77w-6vjw-wh2f

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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