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CVE-2023-38802

Date: August 28, 2023

FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

Language: C

Severity Score

7.5

Related Resources (9)

Url: https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-38802

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

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

Url: https://www.debian.org/security/2023/dsa-5495

Url: https://news.ycombinator.com/item?id=37305800

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

Url: https://www.mend.io/vulnerability-database/CVE-2023-38802

Severity Score

7.5

Weakness Type (CWE)

Improper Validation of Integrity Check Value

CWE-354

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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