PT-2018-14529 · Microsoft+4 · Libmspack+4

Hanno Böck · Published 2018-10-22 · Updated 2025-10-01 · CVE-2018-18585

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libmspack versions prior to 0.8alpha

Description The issue arises from the chmd read headers function in mspack/chmd.c, which improperly handles filenames starting with '0' as their first or second character. This could potentially lead to unintended behavior when processing such filenames.

Recommendations For versions prior to 0.8alpha, update to version 0.8alpha or later to resolve the issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CESA-2019_2049

CVE-2018-18585

DLA-1555-1

MGASA-2018-0455

OPENSUSE-SU-2024:13619-1

RHSA-2019:2049

RHSA-2019_2049

SUSE-SU-2019:0748-1

SUSE-SU-2019:13992-1

SUSE-SU-2020:2711-1

USN-3814-1

USN-3814-2

USN-3814-3

USN-7788-1

Affected Products

Centos

Red Hat

Suse

Ubuntu

Libmspack

References · 58

• 🔥 https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f · Exploit
• https://advisories.mageia.org/MGASA-2018-0455.html · Security Note
• https://ubuntu.com/security/notices/USN-7788-1 · Vendor Advisory
• https://openwall.com/lists/oss-security/2018/10/22/1 · Patch
• https://cve.org/CVERecord?id=CVE-2018-18585 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2019:13992-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18585 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-4469 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7788-1 · Vendor Advisory
• https://usn.ubuntu.com/3814-3 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2018-18585 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-18585 · Security Note
• https://ubuntu.com/security/CVE-2015-4467 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-14680 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3814-1 · Vendor Advisory