CVEvulnerability
CVE-2012-4559
6.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2012-11-30
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-399
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 configurations
• libssh libssh (<= 0.5.2)
• libssh libssh 0.4.7
• libssh libssh 0.4.8
• libssh libssh 0.5.0
• libssh libssh 0.5.1
Related
Weakness · not in database (1)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html lists.fedoraproject.org
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html lists.fedoraproject.org
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html lists.opensuse.org
- http://www.debian.org/security/2012/dsa-2577 www.debian.org
- http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/ Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:175 www.mandriva.com
- http://www.openwall.com/lists/oss-security/2012/11/20/3 www.openwall.com
- http://www.securityfocus.com/bid/56604 www.securityfocus.com
- http://www.ubuntu.com/usn/USN-1640-1 www.ubuntu.com
- https://bugzilla.redhat.com/show_bug.cgi?id=871612 bugzilla.redhat.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80218 exchange.xforce.ibmcloud.com
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html lists.fedoraproject.org
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html lists.fedoraproject.org
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html lists.opensuse.org
- http://www.debian.org/security/2012/dsa-2577 www.debian.org
- http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/ Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:175 www.mandriva.com
- http://www.openwall.com/lists/oss-security/2012/11/20/3 www.openwall.com
- http://www.securityfocus.com/bid/56604 www.securityfocus.com
- http://www.ubuntu.com/usn/USN-1640-1 www.ubuntu.com
- https://bugzilla.redhat.com/show_bug.cgi?id=871612 bugzilla.redhat.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80218 exchange.xforce.ibmcloud.com