CVE-2012-4559
Published Nov 30, 2012
Last updated 7 years ago
Overview
- Description
- Multiple double free vulnerabilities in the (1) agent_sign_data function in agent.c, (2) channel_request function in channels.c, (3) ssh_userauth_pubkey function in auth.c, (4) sftp_parse_attr_3 function in sftp.c, and (5) try_publickey_from_file function in keyfiles.c in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 6.8
- Impact score
- 6.4
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-399
Social media
- Hype score
- Not currently trending
Configurations
[ { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C70E449-A62A-4670-8786-093A915EF07C", "versionEndIncluding": "0.5.2" }, { "criteria": "cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA0F1552-63D8-4E97-A44A-EF55E8A330B7" }, { "criteria": "cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6514D889-F87F-44D1-9C7B-5BE75676DCFF" }, { "criteria": "cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A80094C5-1273-43AB-9E1E-096D8B0A60BB" }, { "criteria": "cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF67514C-3240-42A4-9996-21E855104C59" }, { "criteria": "cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7BBD0BC3-2467-414E-BD82-2A5778B810F9" } ], "operator": "OR" } ] } ]