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2024-118: Critical Vulnerability in 7-Zip ↗ source

November 25, 2024 CERT-EU Advisory
Source: https://cert.europa.eu/publications/security-advisories/2024-118/

Summary

The vulnerability tracked as CVE-2024-11477 has received a high CVSS score of 7.8 [1]. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation [2]. The specific flaw exists within the implementation of Zstandard decompression. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVECVSSAffected
CVE-2024-11477 7.8 High 7-Zip 7-Zip 7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary …

Extracted from the publication text. Each CVE links to its tracked detail page.

Vendors Named in This Publication

7-Zip 1 KEV

Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.