Brook prior 20230606 tproxy Server os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Brook. This issue affects some unknown processing of the component tproxy Server. Executing a manipulation can lead to os command injection. This vulnerability is handled as CVE-2023-33965. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Brook and classified as critical. This vulnerability affects an unknown functionality of the component tproxy Server. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Brook is a cross-platform programmable network tool. The `tproxy` server is vulnerable to a drive-by command injection. An attacker may fool a victim into visiting a malicious web page which will trigger requests to the local `tproxy` service leading to remote code execution. A patch is available in version 20230606.

The weakness was released 06/01/2023 as GHSA-vfrj-fv6p-3cpf. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-33965 since 05/24/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 20230606 eliminates this vulnerability. Applying the patch 314d7070c37babf6c38a0fe1eada872bb74bf03e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Brook 20230606
Patch: 314d7070c37babf6c38a0fe1eada872bb74bf03e

Timelineinfo

05/24/2023 🔍
06/01/2023 +8 days 🔍
06/01/2023 +0 days 🔍
06/01/2023 +0 days 🔍
06/06/2023 +4 days 🔍

Sourcesinfo

Advisory: GHSA-vfrj-fv6p-3cpf
Status: Confirmed

CVE: CVE-2023-33965 (🔍)
GCVE (CVE): GCVE-0-2023-33965
GCVE (VulDB): GCVE-100-230476

Entryinfo

Created: 06/01/2023 19:23
Changes: 06/01/2023 19:23 (52)
Complete: 🔍
Cache ID: 216::103

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