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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2012-4561 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html CVE, Inc., Red Hat
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html CVE, Inc., Red Hat
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html CVE, Inc., Red Hat
http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html CVE, Inc., Red Hat
http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html CVE, Inc., Red Hat
http://www.debian.org/security/2012/dsa-2577 CVE, Inc., Red Hat
http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/ CVE, Inc., Red Hat Vendor Advisory 
http://www.mandriva.com/security/advisories?name=MDVSA-2012:175 CVE, Inc., Red Hat
http://www.openwall.com/lists/oss-security/2012/11/20/3 CVE, Inc., Red Hat
http://www.securityfocus.com/bid/56604 CVE, Inc., Red Hat
http://www.ubuntu.com/usn/USN-1640-1 CVE, Inc., Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=871617 CVE, Inc., Red Hat
https://exchange.xforce.ibmcloud.com/vulnerabilities/80220 CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-4561
NVD Published Date:
11/30/2012
NVD Last Modified:
04/10/2025
Source:
Red Hat, Inc.