Vulnerability Monitor

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CVE-2010-1155

Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.

Published

2010-04-16T19:30:00.350

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application irssi irssi ≤ 0.8.15 Yes
Application irssi irssi 0.8.0 Yes
Application irssi irssi 0.8.1 Yes
Application irssi irssi 0.8.2 Yes
Application irssi irssi 0.8.3 Yes
Application irssi irssi 0.8.4 Yes
Application irssi irssi 0.8.5 Yes
Application irssi irssi 0.8.6 Yes
Application irssi irssi 0.8.7 Yes
Application irssi irssi 0.8.8 Yes
Application irssi irssi 0.8.9 Yes
Application irssi irssi 0.8.10 Yes
Application irssi irssi 0.8.10 Yes
Application irssi irssi 0.8.10 Yes
Application irssi irssi 0.8.10 Yes
Application irssi irssi 0.8.10 Yes
Application irssi irssi 0.8.11 Yes
Application irssi irssi 0.8.11 Yes
Application irssi irssi 0.8.11 Yes
Application irssi irssi 0.8.12 Yes
Application irssi irssi 0.8.12 Yes
Application irssi irssi 0.8.13 Yes
Application irssi irssi 0.8.13 Yes
Application irssi irssi 0.8.14 Yes
References