CVE-2013-4548
EPSS 2.7%
描述
The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.
如何修補 CVE-2013-4548
要修補 CVE-2013-4548,請將受影響套件升級到下列已修補版本。
- Debian/openssh—升級至 1:6.4p1-1 或更新版本
CVE-2013-4548 正在被利用嗎?
低 — EPSS 為 2.7%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1:6.4p1-1