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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2577-1 libssh security update
EUVD EUVD EUVD-2012-4487 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.
Ubuntu USN Ubuntu USN USN-1640-1 libssh vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T20:42:54.503Z

Reserved: 2012-08-21T00:00:00

Link: CVE-2012-4559

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-11-30T22:55:01.643

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-4559

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.