Out-of-Bounds Memory Access in libvmod-digest: Authentication Bypass and Information Disclosure

Out-of-Bounds Memory Access in libvmod-digest: Authentication Bypass and Information Disclosure

CVE-2023-41104 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

Learn more about our Attack Surface Assessment.