CVE-2023-47235
First published: Fri Nov 03 2023(Updated: )
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed, because the presence of EOR does not lead to a treat-as-withdraw outcome.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/frr | <9.0.1 | 9.0.1 |
| Frrouting Frrouting | <=9.0.1 | |
| debian/frr | <=7.5.1-1.1+deb11u2<=8.4.4-1.1~deb12u1 | 7.5.1-1.1+deb11u3 10.1.1-0.1 10.2-2 |
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Reference Links
- https://github.com/FRRouting/frr/pull/14716/commits/6814f2e0138a6ea5e1f83bdd9085d9a77999900b
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2249071
- 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=2248207
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://launchpad.net/bugs/cve/CVE-2023-47235
- https://github.com/FRRouting/frr/commit/6814f2e0138a6ea5e1f83bdd9085d9a77999900b
- https://github.com/FRRouting/frr/pull/14716
- https://github.com/FRRouting/frr/pull/14861
- https://github.com/FRRouting/frr/pull/14735
- https://security-tracker.debian.org/tracker/CVE-2023-47235
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-47235
- https://nvd.nist.gov/vuln/detail/CVE-2023-47235
- https://ubuntu.com/security/CVE-2023-47235
Frequently Asked Questions
What is the severity of CVE-2023-47235?
The severity of CVE-2023-47235 is high with a severity value of 7.5.
What software versions are affected by CVE-2023-47235?
The affected software version of CVE-2023-47235 is Frrouting Frrouting up to version 9.0.1.
How does CVE-2023-47235 manifest?
CVE-2023-47235 manifests as a crash when a malformed BGP UPDATE message with an EOR is processed.
What is the cause of the crash in CVE-2023-47235?
The crash in CVE-2023-47235 is caused by the presence of EOR in a malformed BGP UPDATE message.
Is there a fix available for CVE-2023-47235?
A fix for CVE-2023-47235 is available. Please refer to the reference link for more information.
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