Vulnerability Monitor

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CVE-2023-23456

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.

Published

2023-01-12T19:15:24.693

Last Modified

2025-04-11T12:27:55.013

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-787
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	upx	upx	< 2022-11-24	Yes
Operating System	fedoraproject	fedora	36	Yes
Operating System	fedoraproject	fedora	37	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=2160381 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 Patch, Third Party Advisory ([email protected])
https://github.com/upx/upx/issues/632 Exploit, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/ ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2160381 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/upx/upx/issues/632 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2024/12/msg00013.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/ (af854a3a-2127-422b-91ae-364da2661108)