Out-of-Bounds Read in BGP Daemon of FRRouting Affects FRR Software
CVE-2022-37032

9.1CRITICAL

Key Information:

Vendor

Frrouting

Status
Frrouting
Vendor
CVE Published:
19 September 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-37032?

An out-of-bounds read vulnerability within the BGP daemon of FRRouting (FRR) versions prior to 8.4 may cause a segmentation fault, ultimately leading to denial of service. This issue is particularly present in the bgp_capability_msg_parse function located in bgpd/bgp_packet.c. Exploitation of this vulnerability can destabilize the service, requiring immediate attention and patching to ensure network reliability.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-37032
Created by spwpun

References

https://github.com/FRRouting/frr/commit/ff6db1027f8f36df6...
https://github.com/FRRouting/frr/commit/6d58272b4cf96f0da...
https://bugzilla.suse.com/show_bug.cgi?id=1202023

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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