Labeled Unicast Parsing Vulnerability in FRRouting by FRR
CVE-2023-38407

7.5HIGH

Key Information:

Vendor

Frrouting

Status
Frrouting
Vendor
CVE Published:
6 November 2023

What is CVE-2023-38407?

The FRRouting software before version 8.5 contains a vulnerability within the bgpd/bgp_label.c component, which can lead to a buffer overflow when parsing labeled unicast data. This flaw occurs due to the program attempting to read beyond the end of the data stream, potentially allowing attackers to exploit this weakness and disrupt services or gain unauthorized access. Users are advised to update to the latest version to mitigate any associated risks.

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References

https://github.com/FRRouting/frr/pull/12951
https://github.com/FRRouting/frr/pull/12956
https://github.com/FRRouting/frr/compare/frr-8.5-rc...frr...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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