FRRouting up to 9.1 OSPF LSA Packet ospf_te_parse_ri buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in FRRouting up to 9.1. This vulnerability affects the function ospf_te_parse_ri of the component OSPF LSA Packet Handler. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2024-31950. The attack may be performed from remote. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in FRRouting up to 9.1. It has been rated as critical. Affected by this issue is the function ospf_te_parse_ri of the component OSPF LSA Packet Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ri for OSPF LSA packets during an attempt to read Segment Routing subTLVs (their size is not validated).

The advisory is available at github.com. This vulnerability is handled as CVE-2024-31950 since 04/07/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 212585 (SUSE SLES15 / openSUSE 15 Security Update : frr (SUSE-SU-2024:4090-1)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (212585). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 212585
Nessus Name: SUSE SLES15 / openSUSE 15 Security Update : frr (SUSE-SU-2024:4090-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

04/07/2024 🔍
04/08/2024 +1 days 🔍
04/08/2024 +0 days 🔍
12/12/2024 +248 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-31950 (🔍)
GCVE (CVE): GCVE-0-2024-31950
GCVE (VulDB): GCVE-100-259658

Entryinfo

Created: 04/08/2024 07:43
Updated: 12/12/2024 08:33
Changes: 04/08/2024 07:43 (49), 04/08/2024 07:44 (6), 12/12/2024 08:33 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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