CVE-2013-6422
curl - unchecked tls/ssl certificate host name
EPSS 2.8%
描述
The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.
如何修補 CVE-2013-6422
要修補 CVE-2013-6422,請將受影響套件升級到下列已修補版本。
- Debian/curl—升級至 7.34.0-1 或更新版本
- Debian/curl—升級至 7.26.0-1+wheezy7 或更新版本
CVE-2013-6422 正在被利用嗎?
低 — EPSS 為 2.8%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 7.34.0-1
- from 0, < 7.26.0-1+wheezy7