CVE-2022-37035: Use After Free

Published Aug 2, 2022
·
Updated

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.

Affected Software

2 affected componentsFixes available
Frrouting FRRouting=8.3
debian/frr<=7.5.1-1.1+deb11u2
7.5.1-1.1+deb11u48.4.4-1.1~deb12u110.2.1-2

Event History

Aug 2, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Jun 5, 2024
Data Sourced
via Launchpad·05:52 PM
Description
Sep 13, 2024
Data Sourced
via Ubuntu·06:07 PM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2022-37035?

The severity of CVE-2022-37035 is high (8.1).

2

What is the affected software for CVE-2022-37035?

The affected software for CVE-2022-37035 includes FRRouting (FRR) version 8.3.

3

How can CVE-2022-37035 be exploited?

CVE-2022-37035 can be exploited by sending crafted BGP packets, which may lead to Remote Code Execution or Information Disclosure.

4

Is there a fix for CVE-2022-37035 available?

Yes, a fix for CVE-2022-37035 is available in FRRouting version 8.4.4-1.1 or later.

5

Where can I find more information about CVE-2022-37035?

More information about CVE-2022-37035 can be found in the references provided: [link1], [link2], [link3].

Contact

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