CVE-2013-4852

描述

Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the SSH handshake, which triggers a heap-based buffer overflow.

如何修補 CVE-2013-4852

要修補 CVE-2013-4852,請將受影響套件升級到下列已修補版本。

• Debian/filezilla—升級至 3.7.3-1 或更新版本
• Debian/putty—升級至 0.63-1 或更新版本

CVE-2013-4852 正在被利用嗎?

低 — EPSS 為 3.4%,目前沒有觀察到大規模利用活動。

受影響套件(2)

• from 0, < 3.7.3-1
• from 0, < 0.63-1

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2013-4852