Upstream information

CVE-2021-30500 at MITRE

Description

Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	6.8
Vector	AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	7.8
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1184702 [RESOLVED / FIXED]

SUSE Security Advisories:

openSUSE-SU-2023:0088-1, published Tue Apr 11 16:43:52 2023

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP4	`upx >= 4.0.2-bp154.4.6.1`	Patchnames: openSUSE-2023-88
openSUSE Leap 15.4	`upx >= 4.0.2-bp154.4.6.1`	Patchnames: openSUSE-2023-88

SUSE Timeline for this CVE

CVE page created: Tue Apr 13 12:49:35 2021
CVE page last modified: Fri Apr 14 11:54:08 2023