// For flags

CVE-2008-2420

Mandriva Linux Security Advisory 2008-168

Severity Score

7.3
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.

Vulnerabilidad en la funcionalidad OCSP en stunnel anteriores a 4.24 no busca de forma adecuada la lista de revocación de certificado (CRL), que permite a atacantes remotos intentar saltarse las restricciones de acceso utilizando certificados revocados.

A vulnerability was found in the OCSP search functionality in stunnel that could allow a remote attacker to use a revoked certificate that would be successfully authenticated by stunnel. This flaw only concerns users who have enabled OCSP validation in stunnel. The updated packages have been patched to correct this issue.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2008-05-23 CVE Reserved
  • 2008-05-23 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-264: Permissions, Privileges, and Access Controls
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.4a
Search vendor "Stunnel" for product "Stunnel" and version "3.4a"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.5
Search vendor "Stunnel" for product "Stunnel" and version "3.5"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.6
Search vendor "Stunnel" for product "Stunnel" and version "3.6"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.7
Search vendor "Stunnel" for product "Stunnel" and version "3.7"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.8
Search vendor "Stunnel" for product "Stunnel" and version "3.8"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.8p1
Search vendor "Stunnel" for product "Stunnel" and version "3.8p1"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.8p2
Search vendor "Stunnel" for product "Stunnel" and version "3.8p2"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.8p3
Search vendor "Stunnel" for product "Stunnel" and version "3.8p3"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.8p4
Search vendor "Stunnel" for product "Stunnel" and version "3.8p4"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.9
Search vendor "Stunnel" for product "Stunnel" and version "3.9"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.10
Search vendor "Stunnel" for product "Stunnel" and version "3.10"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.11
Search vendor "Stunnel" for product "Stunnel" and version "3.11"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.12
Search vendor "Stunnel" for product "Stunnel" and version "3.12"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.13
Search vendor "Stunnel" for product "Stunnel" and version "3.13"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.14
Search vendor "Stunnel" for product "Stunnel" and version "3.14"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.15
Search vendor "Stunnel" for product "Stunnel" and version "3.15"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.16
Search vendor "Stunnel" for product "Stunnel" and version "3.16"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.17
Search vendor "Stunnel" for product "Stunnel" and version "3.17"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.18
Search vendor "Stunnel" for product "Stunnel" and version "3.18"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.19
Search vendor "Stunnel" for product "Stunnel" and version "3.19"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.20
Search vendor "Stunnel" for product "Stunnel" and version "3.20"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.21
Search vendor "Stunnel" for product "Stunnel" and version "3.21"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.21a
Search vendor "Stunnel" for product "Stunnel" and version "3.21a"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.21b
Search vendor "Stunnel" for product "Stunnel" and version "3.21b"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.21c
Search vendor "Stunnel" for product "Stunnel" and version "3.21c"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.22
Search vendor "Stunnel" for product "Stunnel" and version "3.22"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.23
Search vendor "Stunnel" for product "Stunnel" and version "3.23"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.24
Search vendor "Stunnel" for product "Stunnel" and version "3.24"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.25
Search vendor "Stunnel" for product "Stunnel" and version "3.25"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
3.26
Search vendor "Stunnel" for product "Stunnel" and version "3.26"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.00
Search vendor "Stunnel" for product "Stunnel" and version "4.00"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.01
Search vendor "Stunnel" for product "Stunnel" and version "4.01"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.02
Search vendor "Stunnel" for product "Stunnel" and version "4.02"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.03
Search vendor "Stunnel" for product "Stunnel" and version "4.03"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.04
Search vendor "Stunnel" for product "Stunnel" and version "4.04"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.05
Search vendor "Stunnel" for product "Stunnel" and version "4.05"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.06
Search vendor "Stunnel" for product "Stunnel" and version "4.06"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.07
Search vendor "Stunnel" for product "Stunnel" and version "4.07"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.08
Search vendor "Stunnel" for product "Stunnel" and version "4.08"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.09
Search vendor "Stunnel" for product "Stunnel" and version "4.09"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.10
Search vendor "Stunnel" for product "Stunnel" and version "4.10"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.11
Search vendor "Stunnel" for product "Stunnel" and version "4.11"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.12
Search vendor "Stunnel" for product "Stunnel" and version "4.12"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.13
Search vendor "Stunnel" for product "Stunnel" and version "4.13"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.14
Search vendor "Stunnel" for product "Stunnel" and version "4.14"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.15
Search vendor "Stunnel" for product "Stunnel" and version "4.15"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.16
Search vendor "Stunnel" for product "Stunnel" and version "4.16"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.17
Search vendor "Stunnel" for product "Stunnel" and version "4.17"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.18
Search vendor "Stunnel" for product "Stunnel" and version "4.18"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.19
Search vendor "Stunnel" for product "Stunnel" and version "4.19"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.20
Search vendor "Stunnel" for product "Stunnel" and version "4.20"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.21
Search vendor "Stunnel" for product "Stunnel" and version "4.21"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.22
Search vendor "Stunnel" for product "Stunnel" and version "4.22"
-
Affected
Stunnel
Search vendor "Stunnel"
Stunnel
Search vendor "Stunnel" for product "Stunnel"
4.23
Search vendor "Stunnel" for product "Stunnel" and version "4.23"
-
Affected