// For flags

CVE-2023-31490

frr: missing length check in bgp_attr_psid_sub() can lead do DoS

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.

Un problema encontrado en Frrouting bgpd v.8.4.2 permite a un atacante remoto causar una denegación de servicio a través de la función bgp_attr_psid_sub().

A flaw was found in frr that may allow a remote attacker to cause a denial of service via the bgp_attr_psid_sub function.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-04-29 CVE Reserved
  • 2023-05-09 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-02 First Exploit
  • 2024-10-19 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Frrouting
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Frrouting
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8.4.2
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-
Affected
Debian
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Debian Linux
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10.0
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-
Affected
Debian
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Debian Linux
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11.0
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-
Affected
Debian
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Debian Linux
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12.0
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-
Affected
Fedoraproject
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Fedora
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37
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Affected
Fedoraproject
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Fedora
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38
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Affected
Fedoraproject
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Fedora
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39
Search vendor "Fedoraproject" for product "Fedora" and version "39"
-
Affected