NA

CVE-2023-25824

Published: 23/02/2023 Updated: 07/11/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

Mod_gnutls is a TLS module for Apache HTTPD based on GnuTLS. Versions from 0.9.0 to 0.12.0 (including) did not properly fail blocking read operations on TLS connections when the transport hit timeouts. Instead it entered an endless loop retrying the read operation, consuming CPU resources. This could be exploited for denial of service attacks. If trace level logging was enabled, it would also produce an excessive amount of log output during the loop, consuming disk space. The problem has been fixed in commit d7eec4e598158ab6a98bf505354e84352f9715ec, please update to version 0.12.1. There are no workarounds, users who cannot update should apply the errno fix detailed in the security advisory.

Vulnerability Trend

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mod gnutls project mod gnutls

Vendor Advisories

Debian Bug report logs - #942737 libapache2-mod-gnutls: mod_gnutls consumes 100% cpu (CVE-2023-25824) Package: libapache2-mod-gnutls; Maintainer for libapache2-mod-gnutls is Daniel Kahn Gillmor <dkg@fifthhorsemannet>; Source for libapache2-mod-gnutls is src:mod-gnutls (PTS, buildd, popcon) Reported by: Nicolas <nicolas@p ...