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CVE-2022-36440 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2022-36440

CVE-2022-36440

HIGH7.5

A reachable assertion was found in Frrouting frr-bgpd 8

Published Apr 3, 2023

Modified 1 years ago

Details

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

References

WEB

https://github.com/spwpun/pocs

WEB

https://github.com/spwpun/pocs/blob/main/frr-bgpd.md

WEB

https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2022-36440

ADVISORY

https://www.debian.org/security/2023/dsa-5495

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedApr 3, 2023

ModifiedAug 3, 2024