CVE-2011-2666
EPSS 1.3%
描述
The default configuration of the SIP channel driver in Asterisk Open Source 1.4.x through 1.4.41.2 and 1.6.2.x through 1.6.2.18.2 does not enable the alwaysauthreject option, which allows remote attackers to enumerate account names by making a series of invalid SIP requests and observing the differences in the responses for different usernames, a different vulnerability than CVE-2011-2536.
如何修補 CVE-2011-2666
要修補 CVE-2011-2666,請將受影響套件升級到下列已修補版本。
- Debian/asterisk—升級至 1:1.8.3.3-1 或更新版本
CVE-2011-2666 正在被利用嗎?
低 — EPSS 為 1.3%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1:1.8.3.3-1