Vulnerability Description
A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Upx | Upx | < 2022-11-24 |
| Fedoraproject | Fedora | 36 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2160381Issue TrackingThird Party Advisory
- https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4PatchThird Party Advisory
- https://github.com/upx/upx/issues/632ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://bugzilla.redhat.com/show_bug.cgi?id=2160381Issue TrackingThird Party Advisory
- https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4PatchThird Party Advisory
- https://github.com/upx/upx/issues/632ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/12/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2023-23456?
CVE-2023-23456 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
How severe is CVE-2023-23456?
CVE-2023-23456 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-23456?
Check the references section above for vendor advisories and patch information. Affected products include: Upx Upx, Fedoraproject Fedora.