CVE-2023-2603

Published: 15 May 2023

A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.

Notes

Author	Note
alexmurray	also referenced as LCAP-CR-23-02

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
libcap2 Launchpad, Ubuntu, Debian	bionic	Released (1:2.25-1.2ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	focal	Released (1:2.32-1ubuntu0.1)
	jammy	Released (1:2.44-1ubuntu0.22.04.1)
	kinetic	Released (1:2.44-1ubuntu0.22.10.1)
	lunar	Released (1:2.66-3ubuntu2.1)
	trusty	Released (1:2.24-0ubuntu2+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (1:2.66-4)
	xenial	Released (1:2.24-12ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=422bec25ae4a1ab03fd4d6f728695ed279173b18

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Bugs

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