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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://bugzilla.redhat.com/show_bug.cgi?id=871612 ↗
- http://www.debian.org/security/2012/dsa-2577 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:175 ↗
- http://www.ubuntu.com/usn/USN-1640-1 ↗
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html ↗
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80218 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html ↗
- http://www.openwall.com/lists/oss-security/2012/11/20/3 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html ↗
- http://www.securityfocus.com/bid/56604 ↗
- http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/ ↗