Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-45386
CVE-2021-45386:
NixOS vulnerability analysis and mitigation
Overview
tcpreplay version 4.3.4 contains a vulnerability identified as CVE-2021-45386, which involves a Reachable Assertion in the addtreeipv6() function located in tree.c. The vulnerability was discovered and reported on December 17, 2021 (GitHub Issue).
Technical details
The vulnerability manifests as a reachable assertion in the addtreeipv6() function at line 561 of tree.c. When a user attempts to use tcpprep to open a specially crafted pcap file, the program encounters an assertion failure with the condition 'ipv6_cmp(addr, &newnode->u.ip6) == 0'. This leads to program termination when the assertion is triggered (GitHub Issue).
Impact
When exploited, this vulnerability results in program termination due to assertion failure, effectively causing a denial of service condition (Gentoo Advisory).
Mitigation and workarounds
The vulnerability has been fixed in tcpreplay version 4.4.0 and later releases. Users are advised to upgrade to version 4.4.2 or newer to address this and other security issues (Gentoo Advisory, Debian Security).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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