CVE-2023-38406
First published: Mon Nov 06 2023(Updated: )
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ffr | <8.4.3 | 8.4.3 |
| Frrouting Frrouting | <8.4.3 | |
| debian/frr | <=7.5.1-1.1+deb11u2 | 7.5.1-1.1+deb11u3 8.4.4-1.1~deb12u1 10.1.1-0.1 10.2-2 |
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Reference Links
- https://github.com/FRRouting/frr/pull/12884
- https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2249073
- https://access.redhat.com/errata/RHSA-2024:0130
- https://access.redhat.com/errata/RHSA-2024:0477
- https://access.redhat.com/errata/RHSA-2024:0574
- https://access.redhat.com/errata/RHSA-2024:1093
- https://access.redhat.com/errata/RHSA-2024:1113
- https://access.redhat.com/errata/RHSA-2024:1152
- https://bugzilla.redhat.com/show_bug.cgi?id=2248526
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://launchpad.net/bugs/cve/CVE-2023-38406
- https://github.com/FRRouting/frr/pull/12892
- https://github.com/FRRouting/frr/commit/8a4e6637fc0621e90daa4decb4ee887a0af8ee24
- https://security-tracker.debian.org/tracker/CVE-2023-38406
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38406
- https://nvd.nist.gov/vuln/detail/CVE-2023-38406
- https://ubuntu.com/security/CVE-2023-38406
Frequently Asked Questions
What is the vulnerability ID of this security issue?
The vulnerability ID is CVE-2023-38406.
What is the severity of CVE-2023-38406?
CVE-2023-38406 has a severity rating of 9.8 (Critical).
What software is affected by CVE-2023-38406?
Frrouting Frrouting versions up to 8.4.3 are affected by CVE-2023-38406.
What is the description of CVE-2023-38406?
CVE-2023-38406 is a vulnerability in bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3, which mishandles an nlri length of zero, leading to a flowspec overflow.
How can I fix CVE-2023-38406?
To fix CVE-2023-38406, you should update your Frrouting Frrouting software to version 8.4.3 or later.
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