CVE-2023-41104

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductVarnish-software Varnish Enterprise
PublishedAug 23, 2023
First seenAug 23, 2023

How to fix

Update
  • varnish-software varnish_enterprise6.0.11 or later
  • varnish-software vmod_digest1.0.3 or later

Affected products

ProductAffected versionsFixed in
varnish-software varnish_enterprise6.0.0 ≤ v < 6.0.11, 6.0.116.0.11
varnish-software vmod_digestv < 1.0.31.0.3

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