CVE-2023-24056

In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059	Patch Third Party Advisory
https://github.com/pkgconf/pkgconf/tags	Release Notes Third Party Advisory
https://nullprogram.com/blog/2023/01/18/	Exploit Third Party Advisory
https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059	Patch Third Party Advisory
https://github.com/pkgconf/pkgconf/tags	Release Notes Third Party Advisory
https://nullprogram.com/blog/2023/01/18/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pkgconf:pkgconf:*:*:*:*:*:*:*:*

History

02 Apr 2025, 16:15

Type	Values Removed	Values Added
CWE		CWE-787

21 Nov 2024, 07:47

Type	Values Removed	Values Added
References	~~() https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059 - Patch, Third Party Advisory~~	() https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059 - Patch, Third Party Advisory
References	~~() https://github.com/pkgconf/pkgconf/tags - Release Notes, Third Party Advisory~~	() https://github.com/pkgconf/pkgconf/tags - Release Notes, Third Party Advisory
References	~~() https://nullprogram.com/blog/2023/01/18/ - Exploit, Third Party Advisory~~	() https://nullprogram.com/blog/2023/01/18/ - Exploit, Third Party Advisory

Information

Published : 2023-01-22 04:15

Updated : 2025-04-02 16:15

NVD link : CVE-2023-24056

Mitre link : CVE-2023-24056

CVE.ORG link : CVE-2023-24056

JSON object : View

Products Affected

pkgconf

pkgconf

CWE

NVD-CWE-Other CWE-787

Out-of-bounds Write

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