OS Command Injection in git-diff-apply npm package



Published: 2020-01-13
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-10776
CWE-ID CWE-78
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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git-diff-apply
Web applications / Modules and components for CMS

Vendor Kelly Selden

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU24212

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 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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

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,


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.



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