CVE-2023-41909 : An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse

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 2023-09-05 07:15:15

Updated 2023-12-22 21:17:25

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2023-41909

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 39
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Matching versions
Frrouting » Frrouting
Versions up to, including, (<=) 9.0
cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-41909

EPSS FAQ

0.13%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 48 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-41909

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2023-41909

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-41909

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/

[SECURITY] Fedora 37 Update: frr-8.5.3-1.fc37 - package-announce - Fedora Mailing-Lists
Mailing List

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/

[SECURITY] Fedora 38 Update: frr-8.5.3-1.fc38 - package-announce - Fedora Mailing-Lists
Mailing List

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/

[SECURITY] Fedora 39 Update: frr-8.5.3-1.fc39 - package-announce - Fedora Mailing-Lists
Mailing List

CVEs referencing this url
https://github.com/FRRouting/frr/pull/13222/commits/cfd04dcb3e689754a72507d086ba3b9709fc5ed8

Limit scope by donaldsharp · Pull Request #13222 · FRRouting/frr · GitHub
Patch
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html

[SECURITY] [DLA 3573-1] frr security update
Mailing List;Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2023-41909

Products affected by CVE-2023-41909

Exploit prediction scoring system (EPSS) score for CVE-2023-41909

CVSS scores for CVE-2023-41909

CWE ids for CVE-2023-41909

References for CVE-2023-41909