PT-2022-7371 · Lrzip+3 · Lrzip+3

Wcventure · Published 2022-03-28 · Updated 2024-06-07 · CVE-2022-26291

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions lrzip version 0.641

Description The issue is related to a multiple concurrency use-after-free between the functions zpaq decompress buf() and clear rulist(). This allows attackers to cause a Denial of Service (DoS) via a crafted Irz file. The vulnerability is associated with parallel memory usage after release.

Recommendations For lrzip version 0.641, consider disabling the zpaq decompress buf() and clear rulist() functions as a temporary workaround to minimize the risk of exploitation. Avoid using crafted Irz files until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2024-04439

CVE-2022-26291

DLA-2981-1

DSA-5145-1

USN-5840-1

Affected Products

Linuxmint

Red Os

Ubuntu

Lrzip

References · 24

• 🔥 https://github.com/ckolivas/lrzip/issues/206 · Exploit
• https://ubuntu.com/security/CVE-2021-27345 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-26291 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-04439 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-26291 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-27347 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-26291 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2981-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5840-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-5786 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-26291 · Security Note
• https://debian.org/security/2022/dsa-5145 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-26291 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5840-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-26291 · Security Note