PT-2023-27099 · Unknown · Lrzip-Next

Huanglei3 · Published 2023-08-17 · Updated 2024-10-08 · CVE-2023-39743

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions lrzip-next LZMA version 23.01

Description The issue is related to an access violation in the component /bz3 decode block, located in the src/libbz3.c file. This access violation can be exploited, potentially leading to unintended consequences.

Recommendations For lrzip-next LZMA version 23.01, consider restricting access to the /bz3 decode block component in the src/libbz3.c file as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2023-39743

Affected Products

Lrzip-Next

References · 12

• 🔥 https://github.com/pete4abw/lrzip-next/issues/132 · Exploit
• 🔥 https://github.com/huanglei3/lrzip-next-poc/tree/main · Exploit
• https://cve.org/CVERecord?id=CVE-2023-39743 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-39743 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-39743 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-39743 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39743 · Security Note
• https://gist.github.com/huanglei3/ec9090096aa92445cf0a8baa8e929084 · Note
• https://twitter.com/CVEnew/status/1692253036528193830 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1692275923133886662 · Twitter Post
• https://t.me/cvenotify/56807 · Telegram Post
• https://t.me/cibsecurity/68777 · Telegram Post