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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-2577-1 | libssh security update |
EUVD |
EUVD-2012-4489 | 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. |
Ubuntu USN |
USN-1640-1 | libssh vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-06T20:42:53.678Z
Reserved: 2012-08-21T00:00:00.000Z
Link: CVE-2012-4561
No data.
Status : Modified
Published: 2012-11-30T22:55:01.720
Modified: 2026-04-29T01:13:23.040
Link: CVE-2012-4561
No data.
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
EUVD
Ubuntu USN