CVE-2023-24056
Last modified
CVE-2023-24056 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pkgconf | Pkgconf | <= 1.9.3 |
References
- https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059Patch, Third Party Advisory
- https://github.com/pkgconf/pkgconf/tagsRelease Notes, Third Party Advisory
- https://nullprogram.com/blog/2023/01/18/Exploit, Third Party Advisory
- https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059Patch, Third Party Advisory
- https://github.com/pkgconf/pkgconf/tagsRelease Notes, Third Party Advisory
- https://nullprogram.com/blog/2023/01/18/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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