Buffer overflow in Varnish-software Varnish_enterprise
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 surfac…
Vulnerability class: Buffer Overflow
EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Varnish-software Varnish_enterprise — versions 6.0.11
- Varnish-software Vmod_digest
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org (Mitigation, Vendor Advisory)
- cve@mitre.org (Release Notes)
Frequently asked questions
- What is CVE-2023-41104?
- CVE-2023-41104 is a medium-severity vulnerability in Varnish-software Varnish_enterprise, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2023-08-23.
- How severe is CVE-2023-41104?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-41104 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.