CVE-2023-41104
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…
Does this matter?
Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- varnish-software/varnish enterprise · varnish-software/vmod digest
- Source
- cve@mitre.org
References
- https://docs.varnish-software.com/security/VSV00012/Mitigation, Vendor Advisory
- https://github.com/varnish/libvmod-digest/releases/tag/libvmod-digest-1.0.3Release Notes
- https://www.varnish-cache.org/security/VSV00012.htmlPatch, Vendor Advisory
- https://docs.varnish-software.com/security/VSV00012/Mitigation, Vendor Advisory
- https://github.com/varnish/libvmod-digest/releases/tag/libvmod-digest-1.0.3Release Notes
- https://www.varnish-cache.org/security/VSV00012.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.