CVE-2018-11243

HIGH

Upx - Double Free

Title source: rule

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.

References (9)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html

[Release Notes] https://github.com/upx/upx/blob/devel/NEWS

View Writeup ZIP pw:eip

[Exploit, Third Party Advisory] https://github.com/upx/upx/issues/206

[Exploit, Third Party Advisory] https://github.com/upx/upx/issues/207

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html

Scores

CVSS v3 7.8

EPSS 0.0051

EPSS Percentile 66.0%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE

CWE-415

Status published

Affected Products (1)

upx/upx

Timeline

Published May 18, 2018

Tracked Since Feb 18, 2026