CVE-2023-41104
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-08-23 CVE Reserved
- 2023-08-23 CVE Published
- 2024-09-24 EPSS Updated
- 2024-10-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://github.com/varnish/libvmod-digest/releases/tag/libvmod-digest-1.0.3 | Release Notes |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.varnish-cache.org/security/VSV00012.html | 2023-08-28 |
| URL | Date | SRC |
|---|---|---|
| https://docs.varnish-software.com/security/VSV00012 | 2023-08-28 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Varnish-software Search vendor "Varnish-software" | Varnish Enterprise Search vendor "Varnish-software" for product "Varnish Enterprise" | >= 6.0.0 < 6.0.11 Search vendor "Varnish-software" for product "Varnish Enterprise" and version " >= 6.0.0 < 6.0.11" | - |
Affected
| ||||||
| Varnish-software Search vendor "Varnish-software" | Varnish Enterprise Search vendor "Varnish-software" for product "Varnish Enterprise" | 6.0.11 Search vendor "Varnish-software" for product "Varnish Enterprise" and version "6.0.11" | - |
Affected
| ||||||
| Varnish-software Search vendor "Varnish-software" | Varnish Enterprise Search vendor "Varnish-software" for product "Varnish Enterprise" | 6.0.11 Search vendor "Varnish-software" for product "Varnish Enterprise" and version "6.0.11" | r1 |
Affected
| ||||||
| Varnish-software Search vendor "Varnish-software" | Varnish Enterprise Search vendor "Varnish-software" for product "Varnish Enterprise" | 6.0.11 Search vendor "Varnish-software" for product "Varnish Enterprise" and version "6.0.11" | r2 |
Affected
| ||||||
| Varnish-software Search vendor "Varnish-software" | Varnish Enterprise Search vendor "Varnish-software" for product "Varnish Enterprise" | 6.0.11 Search vendor "Varnish-software" for product "Varnish Enterprise" and version "6.0.11" | r3 |
Affected
| ||||||
| Varnish-software Search vendor "Varnish-software" | Varnish Enterprise Search vendor "Varnish-software" for product "Varnish Enterprise" | 6.0.11 Search vendor "Varnish-software" for product "Varnish Enterprise" and version "6.0.11" | r4 |
Affected
| ||||||
| Varnish-software Search vendor "Varnish-software" | Vmod Digest Search vendor "Varnish-software" for product "Vmod Digest" | < 1.0.3 Search vendor "Varnish-software" for product "Vmod Digest" and version " < 1.0.3" | - |
Affected
| ||||||