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CVE-2023-41909

Date: September 4, 2023

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.

Language: C

Severity Score

7.5

Related Resources (8)

Url: https://security-tracker.debian.org/tracker/CVE-2023-41909

Url: https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-41909

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/

Url: https://github.com/FRRouting/frr/pull/13222/commits/cfd04dcb3e689754a72507d086ba3b9709fc5ed8

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/

Url: https://www.mend.io/vulnerability-database/CVE-2023-41909

Severity Score

7.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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