CVE-2012-4559
libssh - several
EPSS 5.2%
描述
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.
如何修補 CVE-2012-4559
要修補 CVE-2012-4559,請將受影響套件升級到下列已修補版本。
- Debian/libssh—升級至 0.5.3-1 或更新版本
- Debian/libssh—升級至 0.4.5-3+squeeze1 或更新版本
CVE-2012-4559 正在被利用嗎?
中等 — EPSS 為 5.2%,可持續追蹤但非最高優先。
受影響套件(2)
- from 0, < 0.5.3-1
- from 0, < 0.4.5-3+squeeze1