#VU27257 Insufficiently Protected Credentials in Git - CVE-2020-11008

Vulnerability identifier: #VU27257

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-11008

CWE-ID: CWE-522

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Git
Client/Desktop applications / Software for system administration

Vendor: Git

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system

The vulnerability exists due to the Git can be tricked into sending private credentials to a host controlled by an attacker. A remote attacker can send a specially crafted URL to "git clone" that will present stored credentials for any host to a host of their choosing.

Note: This vulnerability is similar to the CVE-2020-5260 (SB2020041523). The fix for that bug still left the door open for an exploit where some credential is leaked (but the attacker cannot control which one).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Git: 2.17.0 - 2.19.4, 2.20.0 - 2.26.1

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External links
https://github.com/git/git/commit/c44088ecc4b0722636e0a305f9608d3047197282
https://github.com/git/git/security/advisories/GHSA-hjc9-x69f-jqj7
https://github.com/git/git/security/advisories/GHSA-qm7j-c969-7j4q

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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.