CVE-2012-4561
Summary
| CVE | CVE-2012-4561 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-11-30 22:55:00 UTC |
| Updated | 2017-08-29 01:32:00 UTC |
| 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. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Libssh | Libssh | 0.4.7 | All | All | All |
| Application | Libssh | Libssh | 0.4.8 | All | All | All |
| Application | Libssh | Libssh | 0.5.0 | All | All | All |
| Application | Libssh | Libssh | 0.5.0 | rc1 | All | All |
| Application | Libssh | Libssh | 0.5.1 | All | All | All |
| Application | Libssh | Libssh | All | All | All | All |
| Application | Libssh | Libssh | 0.4.7 | All | All | All |
| Application | Libssh | Libssh | 0.4.8 | All | All | All |
| Application | Libssh | Libssh | 0.5.0 | All | All | All |
| Application | Libssh | Libssh | 0.5.0 | rc1 | All | All |
| Application | Libssh | Libssh | 0.5.1 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| libssh Multiple Buffer Overflow and Denial of Service Vulnerabilities | BID | www.securityfocus.com | |
| Support / Security / Advisories / / MDVSA-2012:175 | Mandriva | MANDRIVA | www.mandriva.com | |
| Debian -- Security Information -- DSA-2577-1 libssh | DEBIAN | www.debian.org | |
| openSUSE-SU-2012:1622-1: moderate: update for libssh | SUSE | lists.opensuse.org | |
| USN-1640-1: libssh vulnerabilities | Ubuntu | UBUNTU | www.ubuntu.com | |
| IBM X-Force Exchange | XF | exchange.xforce.ibmcloud.com | |
| libssh 0.5.3 (SECURITY RELEASE) at libssh - The SSH Library! | CONFIRM | www.libssh.org | Vendor Advisory |
| openSUSE-SU-2013:0130-1: moderate: update for libssh | SUSE | lists.opensuse.org | |
| [SECURITY] Fedora 18 Update: libssh-0.5.3-1.fc18 | FEDORA | lists.fedoraproject.org | |
| [SECURITY] Fedora 17 Update: libssh-0.5.3-1.fc17 | FEDORA | lists.fedoraproject.org | |
| [security-announce] openSUSE-SU-2012:1620-1: important: update for libss | SUSE | lists.opensuse.org | |
| 871617 – (CVE-2012-4561) CVE-2012-4561 libssh: multiple invalid free() flaws | MISC | bugzilla.redhat.com | |
| oss-security - libssh 0.5.3 release fixes multiple security issues | MLIST | www.openwall.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.