CVE-2023-23457

Upx: segv on packlinuxelf64::invert_pt_dynamic() in p_lx_elf.cpp

State: Published
Severity: 5.3 Medium
Published: Jan 12, 2023
Updated: Apr 7, 2025
Reserved: Jan 12, 2023

Description

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L	fedora

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
upx	4.0.2 and laterNot affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=2160382
https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
https://github.com/upx/upx/issues/631
FEDORA-2023-8d91390935vendor-advisory
FEDORA-2023-89fdc22acevendor-advisory

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