Information disclosure in Git



Published: 2021-09-17
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-40330
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Git
Client/Desktop applications / Software for system administration

Vendor Git

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU56690

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-40330

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the git_connect_git in connect.c. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Git: 2.30.0

CPE2.3 External links

http://github.com/git/git/commit/a02ea577174ab8ed18f847cf1693f213e0b9c473
http://github.com/git/git/compare/v2.30.0...v2.30.1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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