Unscored severity · published Nov 30, 2012
CVE-2012-4561
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…
–
CVSS
4.8%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libssh · Libssh
through 0.5.2; 0.4.7; 0.4.8; 0.5.0; 0.5.0; 0.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-4561
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-4561
lists.fedoraproject.org
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.opensuse.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
www.debian.org
http://www.debian.org/security/2012/dsa-2577
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