CVE-2023-41909: Null Pointer Dereference
First published: Tue Sep 05 2023(Updated: )
An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Frrouting Frrouting | <=9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =37 | |
| Fedoraproject Fedora | =38 | |
| Fedoraproject Fedora | =39 | |
| debian/frr | <=6.0.2-2+deb10u1<=7.5.1-1.1+deb11u2 | 7.5.1-1.1+deb10u1 8.4.4-1.1~deb12u1 9.1-0.1 |
| ubuntu/frr | <7.2.1-1ubuntu0.2+ | 7.2.1-1ubuntu0.2+ |
| ubuntu/frr | <8.1-1ubuntu1.6 | 8.1-1ubuntu1.6 |
| ubuntu/frr | <8.4.2-1ubuntu1.4 | 8.4.2-1ubuntu1.4 |
| ubuntu/frr | <8.4.4-1 | 8.4.4-1 |
| redhat/frr | <9.0 | 9.0 |
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Reference Links
- https://github.com/FRRouting/frr/pull/13222/commits/cfd04dcb3e689754a72507d086ba3b9709fc5ed8
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/
- https://launchpad.net/bugs/cve/CVE-2023-41909
- https://github.com/FRRouting/frr/commit/cfd04dcb3e689754a72507d086ba3b9709fc5ed8
- https://github.com/FRRouting/frr/commit/cc1a551cb007cc8ed8b1ea0605a7ab46c16de12b
- https://github.com/FRRouting/frr/commit/0a12b878082f77b67ad5d9b4782846ac738575a2
- https://security-tracker.debian.org/tracker/CVE-2023-41909
- https://github.com/FRRouting/frr/commit/cfd04dcb3e689754a72507d086ba3b9709fc5ed8 (frr-9.0)
- https://github.com/FRRouting/frr/commit/cc1a551cb007cc8ed8b1ea0605a7ab46c16de12b (frr-8.5.1)
- https://github.com/FRRouting/frr/commit/0a12b878082f77b67ad5d9b4782846ac738575a2 (frr-8.4.4)
- https://ubuntu.com/security/notices/USN-6436-1
- https://www.cve.org/CVERecord?id=CVE-2023-41909
- https://nvd.nist.gov/vuln/detail/CVE-2023-41909
- https://ubuntu.com/security/CVE-2023-41909
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2238409
- https://access.redhat.com/errata/RHSA-2024:2156
- https://access.redhat.com/errata/RHSA-2024:2981
- https://bugzilla.redhat.com/show_bug.cgi?id=2237416
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