CVE-2015-1788

描述

The BN_GF2m_mod_inv function in crypto/bn/bn_gf2m.c in OpenSSL before 0.9.8s, 1.0.0 before 1.0.0e, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b does not properly handle ECParameters structures in which the curve is over a malformed binary polynomial field, which allows remote attackers to cause a denial of service (infinite loop) via a session that uses an Elliptic Curve algorithm, as demonstrated by an attack against a server that supports client authentication.

如何修補 CVE-2015-1788

要修補 CVE-2015-1788,請將受影響套件升級到下列已修補版本。

• Debian/openssl—升級至 1.0.2b-1 或更新版本

CVE-2015-1788 正在被利用嗎?

中等 — EPSS 為 23.2%,可持續追蹤但非最高優先。

受影響套件(1)

• from 0, < 1.0.2b-1

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2015-1788