NULL pointer dereference in Frrouting
CVE-2023-41909
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.011 · change: +0.002
Affected products
- Frrouting
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
References
- github.com/FRRouting/frr/pull/13222/commits/cfd04dcb3e689754a72507d086ba3b9709f… (Patch)
- lists.debian.org/debian-lts-announce/2023/09/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
Frequently asked questions
- What is CVE-2023-41909?
- CVE-2023-41909 is a high-severity vulnerability in Frrouting, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-09-05.
- How severe is CVE-2023-41909?
- High severity. CVSS v3 base score is 7.5 out of 10.