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CVE
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CVE-2023-3748Date: (C)2023-07-24   (M)2023-12-26


A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that contains a sub-TLV with the Mandatory flag set to enter an infinite loop and cause a denial of service.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score :
Exploit Score: 3.9Exploit Score:
Impact Score: 3.6Impact Score:
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector:
Attack Complexity: LOWAccess Complexity:
Privileges Required: NONEAuthentication:
User Interaction: NONEConfidentiality:
Scope: UNCHANGEDIntegrity:
Confidentiality: NONEAvailability:
Integrity: NONE 
Availability: HIGH 
  
Reference:
https://access.redhat.com/security/cve/CVE-2023-3748
https://bugzilla.redhat.com/show_bug.cgi?id=2223668

CWE    1
CWE-835
OVAL    2
oval:org.secpod.oval:def:708314
oval:org.secpod.oval:def:89049402

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