CVE-2009-0790
strongswan - denial of service
EPSS 3.2%
描述
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.
如何修補 CVE-2009-0790
要修補 CVE-2009-0790,請將受影響套件升級到下列已修補版本。
- Debian/strongswan—升級至 4.2.14-1 或更新版本
- —升級至 2.8.0+dfsg-1+etch1 或更新版本
CVE-2009-0790 正在被利用嗎?
低 — EPSS 為 3.2%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 4.2.14-1
- from 0, < 2.8.0+dfsg-1+etch1