Vulnerability Details : 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 on the particular VCL (Varnish Configuration Language) configuration in use.
Published 2023-08-23 07:15:08
Updated 2023-08-28 21:41:08
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowInformation leak

Products affected by CVE-2023-41104

Exploit prediction scoring system (EPSS) score for CVE-2023-41104

EPSS FAQ
0.18%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-41104

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.9
2.5
 NIST

CWE ids for CVE-2023-41104

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-41104

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