CVE-2018-11243 Common Vulnerabilities and Exposures

Upstream information

CVE-2018-11243 at MITRE

Description

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact 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
CVSS detail	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
CVSS detail	National Vulnerability Database
Base Score	7.8
Vector	CVSS:3.0/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

SUSE Bugzilla entry: 1094138 [RESOLVED / FIXED]

SUSE Security Advisories:

openSUSE-SU-2020:0162-1, published Thu Dec 7 12:55:39 2023
openSUSE-SU-2020:0163-1, published Thu Dec 7 12:55:39 2023
openSUSE-SU-2020:0179-1, published Thu Dec 7 12:55:39 2023
openSUSE-SU-2020:0180-1, published Thu Dec 7 12:55:39 2023

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	`libucl1 >= 1.03-bp151.4.3.1` `ucl-devel >= 1.03-bp151.4.3.1` `upx >= 3.96-bp151.4.3.1`	Patchnames: openSUSE-2020-179 openSUSE-2020-180
openSUSE Leap 15.1	`libucl1 >= 1.03-lp151.3.3.1` `ucl-devel >= 1.03-lp151.3.3.1` `upx >= 3.96-lp151.3.3.1`	Patchnames: openSUSE-2020-162 openSUSE-2020-163
openSUSE Tumbleweed	`libucl1 >= 1.03-4.9` `ucl-devel >= 1.03-4.9` `upx >= 3.96-3.2`	Patchnames: openSUSE-Tumbleweed-2024-11477 openSUSE-Tumbleweed-2024-11486

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s)	Source package	State
Products past their end of life and not receiving proactive updates anymore.
SUSE Package Hub 15 SP1	ucl	Released
SUSE Package Hub 15 SP1	upx	Released

SUSE Timeline for this CVE

CVE page created: Fri May 18 21:24:13 2018
CVE page last modified: Thu Dec 11 16:02:51 2025