CVE-2022-43681

描述

An out-of-bounds read exists in the BGP daemon of FRRouting FRR through 8.4. When sending a malformed BGP OPEN message that ends with the option length octet (or the option length word, in case of an extended OPEN message), the FRR code reads of out of the bounds of the packet, throwing a SIGABRT signal and exiting. This results in a bgpd daemon restart, causing a Denial-of-Service condition.

如何修補 CVE-2022-43681

要修補 CVE-2022-43681,請將受影響套件升級到下列已修補版本。

• —升級至 7.5.1-1.1+deb11u2 或更新版本

CVE-2022-43681 正在被利用嗎?

低 — EPSS 為 2.1%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 7.5.1-1.1+deb11u2

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2022-43681