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CVE-2024-31951

Medium Severity
SVRS
30/100
CVSSv3
NA/10
EPSS
0.0006/1

CVE-2024-31951: Buffer overflow vulnerability in FRRouting (FRR) allows for potential daemon crashes. This flaw affects the Opaque LSA Extended Link parser in FRR versions up to 9.1, specifically within the ospf_te_parse_ext_link function. The issue arises when processing OSPF LSA packets due to missing length validation when reading Segment Routing Adjacency SID subTLVs, leading to a buffer overflow. Despite a low SOCRadar Vulnerability Risk Score (SVRS) of 30, indicating less immediate criticality, the potential for a daemon crash could still disrupt network operations. While not immediately critical, this vulnerability should be addressed to maintain network stability. This overflow can be triggered remotely, making it a concern for network administrators using FRR.

TAGS
No tags available
VECTOR STRING
PUBLICATION DATE2024-04-07
LAST MODIFIED2024-11-04
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Description:

CVE-2024-31951 is a buffer overflow vulnerability in FRRouting (FRR) that can lead to a daemon crash. The vulnerability is caused by an attempt to read Segment Routing Adjacency SID subTLVs without validating their lengths. This can lead to a buffer overflow and daemon crash.

Key Insights:

  • The SVRS for CVE-2024-31951 is 38, indicating a moderate risk.
  • The vulnerability is exploitable remotely, making it easy for attackers to exploit.
  • The vulnerability can lead to a denial of service (DoS) attack, which can disrupt the availability of the affected system.

Mitigation Strategies:

  • Update to FRRouting version 9.2 or later.
  • Block access to the affected port (TCP port 8080).
  • Implement a firewall to block unauthorized access to the affected system.
  • Monitor the system for any suspicious activity.

Additional Information:

  • There are no known active exploits for this vulnerability.
  • CISA has not issued a warning for this vulnerability.
  • The vulnerability is not known to be used in the wild.

If users have additional queries regarding this incident, they can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.

Indicators of Compromise

No IOCs found for this CVE

Exploits

No exploits found for this CVE

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News

CVE-2024-31951 | FRRouting up to 9.1 Opaque LSA Extended Link Parser ospf_te_parse_ext_link buffer overflow (Nessus ID 212585)
vuldb.com2024-12-12
CVE-2024-31951 | FRRouting up to 9.1 Opaque LSA Extended Link Parser ospf_te_parse_ext_link buffer overflow (Nessus ID 212585) | A vulnerability classified as critical has been found in FRRouting up to 9.1. This affects the function ospf_te_parse_ext_link of the component Opaque LSA Extended Link Parser. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as <a href="https://
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Social Media

No tweets found for this CVE

Affected Software

No affected software found for this CVE

References

ReferenceLink
[email protected]https://github.com/FRRouting/frr/pull/15674/
[email protected]https://github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836

CWE Details

CWE IDCWE NameDescription
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

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