Vulnerability identifier: #VU24212

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-10776

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
git-diff-apply
Web applications / Modules and components for CMS

Vendor: Kelly Selden

Description

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

The vulnerability exists in the "index.js" file due to the "run" command executes the git command with a user controlled variable called remoteUrl.. A remote unauthenticated attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

git-diff-apply: 0.0.1 - 0.22.1

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External links
http://github.com/kellyselden/git-diff-apply/commit/106d61d3ae723b4257c2a13e67b95eb40a27e0b5
http://snyk.io/vuln/SNYK-JS-GITDIFFAPPLY-540774
http://snyk.io/vuln/SNYK-JS-GITDIFFAPPLY-540774,

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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. However, proof of concept for this vulnerability is available.