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Frrouting FRRoutingUse After Free, Race Condition

Risk 77
Severity
8.1
Use After Free, Race Condition
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgpnotifysendwithdata() and bgpprocesspacket() in bgppacket.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

1 / 2
First published (updated )
CVE-2022-37035

debian/frrA reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function.…

Risk 43
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peekforas4capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

First published (updated )
CVE-2022-36440

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