PT-2022-21675 · Lrzip+1 · Lrzip+1

Pietroborrello · Published 2022-06-22 · Updated 2022-06-30 · CVE-2022-33067

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 0.651

Description The issue is related to multiple invalid arithmetic shifts in the functions get magic in lrzip.c and Predictor::init in libzpaq/libzpaq.cpp. This allows attackers to cause a Denial of Service via unspecified vectors.

Recommendations For Lrzip version 0.651, consider disabling the get magic function and the Predictor::init function in libzpaq/libzpaq.cpp as a temporary workaround to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2022-33067

Affected Products

Debian

Lrzip

References · 9

• 🔥 https://github.com/ckolivas/lrzip/issues/224 · Exploit
• https://cve.org/CVERecord?id=CVE-2022-33067 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-33067 · Security Note
• https://osv.dev/vulnerability/CVE-2022-33067 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-33067 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-33067 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-33067 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-33067 · Vendor Advisory
• https://t.me/cibsecurity/44998 · Telegram Post