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CVE-2023-23456

Date: January 11, 2023

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.

Language: C++

Severity Score

5.3

Related Resources (9)

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-23456

Url: https://security-tracker.debian.org/tracker/CVE-2023-23456

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/

Url: https://github.com/upx/upx/issues/632

Url: https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4

Url: https://bugzilla.redhat.com/show_bug.cgi?id=2160381

Url: https://lists.debian.org/debian-lts-announce/2024/12/msg00013.html

Url: https://www.mend.io/vulnerability-database/CVE-2023-23456

Severity Score

5.3

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	LOW
Availability (A):	LOW

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