FRRouting 8.3 bgpd bgp_packet.c bgp_notify_send_with_data use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FRRouting 8.3. Affected by this issue is the function bgp_notify_send_with_data of the file bgp_packet.c of the component bgpd. Performing a manipulation results in use after free. This vulnerability was named CVE-2022-37035. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in FRRouting 8.3. It has been classified as problematic. This affects the function bgp_notify_send_with_data of the file bgp_packet.c of the component bgpd. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

The weakness was presented 08/03/2022 as 11698. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-37035 since 07/29/2022. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/29/2022 🔍
08/03/2022 +5 days 🔍
08/03/2022 +0 days 🔍
11/05/2025 +1190 days 🔍

Sourcesinfo

Advisory: 11698
Status: Confirmed

CVE: CVE-2022-37035 (🔍)
GCVE (CVE): GCVE-0-2022-37035
GCVE (VulDB): GCVE-100-205503

Entryinfo

Created: 08/03/2022 09:04
Updated: 11/05/2025 05:47
Changes: 08/03/2022 09:04 (40), 08/29/2022 16:44 (11), 11/05/2025 05:47 (15)
Complete: 🔍
Cache ID: 216::103

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