CVE-2012-4559
libssh - several
EPSS 5.0%
Description
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.
How to fix CVE-2012-4559
To remediate CVE-2012-4559, upgrade the affected package to a fixed version below.
- Debian/libssh—upgrade to 0.5.3-1 or later
- —upgrade to 0.4.5-3+squeeze1 or later
Is CVE-2012-4559 being exploited?
Moderate — EPSS is 5.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 0.5.3-1
- from 0, < 0.4.5-3+squeeze1