未評価
An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x...
CVE-2021-26906
SecPulse初出
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Alpine Linux ALPINE-CVE-2021-26906 asterisk 修正版: 16.16.1-r0
- Debian DEBIAN-CVE-2021-26906 asterisk 修正版: 1:16.16.1~dfsg-1
原文の説明 取得元が公開している説明をそのまま載せています (多くは英語)。
An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.
参照URL
- advisory packetstormsecurity.com
- advisory downloads.asterisk.org
- advisory downloads.asterisk.org
- patch seclists.org
- patch issues.asterisk.org