Denial Of Service (DoS)

2023-11-0610:50:21

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

denial of service

libfrr.so

vulnerability

bgp_attr_check

crafted bgp update message

attack

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.9 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.0%

JSON

libfrr.so is vulnerable to Denial Of service attack. The vulnerability arises due to a lack of validation the bgp_attr_check method. Am attacker can cause a crash by sending a crafted BGP UPDATE message.

CPENameOperatorVersion
libfrr.sole0.0.0
frr:sideq7.4-1+b1
frr:sideq7.5.1-1.1
frr:sideq7.5.1-1
libfrr.sole0.0.0
frr:sideq7.4-1+b1
frr:sideq7.5.1-1.1
frr:sideq7.5.1-1
frr:bustereq6.0.2-2+deb10u1

Name	Operator	Version
libfrr.so	le	0.0.0
frr:sid	eq	7.4-1+b1
frr:sid	eq	7.5.1-1.1
frr:sid	eq	7.5.1-1
libfrr.so	le	0.0.0
frr:sid	eq	7.4-1+b1
frr:sid	eq	7.5.1-1.1
frr:sid	eq	7.5.1-1
frr:buster	eq	6.0.2-2+deb10u1