Vulnerability identifier: #VU16148

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-19486

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

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

Vendor: Git

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary commands on the target system.

The vulnerability exists due to a flaw in the run_command() API and 'run-command.c' when handling malicious input. A remote attacker can issue specially crafted commands from the current working directory and execute arbitrary commands on the target system.

Mitigation
Update to version 2.19.2.

Vulnerable software versions

Git: 2.19.0 - 2.19.1

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External links
http://git.kernel.org/pub/scm/git/git.git/tree/Documentation/RelNotes/2.19.2.txt

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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