CVE-2023-41104 Information

Description

libvmod-digest before 1.0.3 as used in Varnish Enterprise 6.0.x before 6.0.11r5 has an out-of-bounds memory access during base64 decoding leading to both authentication bypass and information disclosure; however the exact attack surface will depend on the particular VCL (Varnish Configuration Language) configuration in use.

Reference

https://www.varnish-cache.org/security/VSV00012.html https://docs.varnish-software.com/security/VSV00012/ https://github.com/varnish/libvmod-digest/releases/tag/libvmod-digest-1.0.3