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CVE-2012-4561

CVE information

Published

11 years ago

Last Modified

6 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

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Description

The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service (crash) via unspecified vectors..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
  Yes
- -

References