Is CVE-2023-41104 actively exploited?

CVE-2023-41104 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-41104?

CVE-2023-41104 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

How do I patch CVE-2023-41104?

Patch guidance is available from varnish-software security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-41104.

CVE-2023-41104 - remediation guidance & executive summary

Q: Which products are affected by CVE-2023-41104?

7 products: varnish-software varnish enterprise, varnish-software varnish enterprise, varnish-software varnish enterprise, varnish-software varnish enterprise, varnish-software varnish enterprise, and 2 more.

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: VARNISH-SOFTWARE
Published: 8/23/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

varnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : varnish_enterprisevarnish-software : vmod_digest

Remediation Guidance

Executive Summary

View on NIST NVD