FRRouting 9.0 bgpd/bgp_open.c buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in FRRouting 9.0 and classified as critical. This vulnerability affects unknown code of the file bgpd/bgp_open.c. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2023-41361. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FRRouting 9.0. This issue affects an unknown part of the file bgpd/bgp_open.c. 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. The summary by CVE is:

An issue was discovered in FRRouting FRR 9.0. bgpd/bgp_open.c does not check for an overly large length of the rcv software version.

The weakness was released 08/29/2023. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-41361 since 08/29/2023. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 239889 (TencentOS Server 4: frr (TSSA-2024:0036)), 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 databases at Tenable (239889) and EUVD (EUVD-2023-45864). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: 239889
Nessus Name: TencentOS Server 4: frr (TSSA-2024:0036)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

08/29/2023 🔍
08/29/2023 +0 days 🔍
08/29/2023 +0 days 🔍
02/01/2026 +887 days 🔍

Sourcesinfo

Advisory: DLA 3573-1
Status: Confirmed

CVE: CVE-2023-41361 (🔍)
GCVE (CVE): GCVE-0-2023-41361
GCVE (VulDB): GCVE-100-238241
EUVD: 🔍

Entryinfo

Created: 08/29/2023 07:40
Updated: 02/01/2026 06:16
Changes: 08/29/2023 07:40 (39), 09/22/2023 10:03 (12), 06/18/2025 23:35 (17), 02/01/2026 06:16 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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