#VU46582 Input validation error in rebar3 - CVE-2020-13802

Published: 2020-09-02 | Updated: 2020-09-10

Vulnerability identifier: #VU46582

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-13802

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
rebar3
Other software / Other software solutions

Vendor: www.rebar3.org

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Rebar3 versions 3.0.0-beta.3 to 3.13.2 are vulnerable to OS command injection via URL parameter of dependency specification.

Mitigation
Install update from vendor's website.

Vulnerable software versions

rebar3: 3.0.0

External links
https://packetstormsecurity.com/files/159027/Rebar3-3.13.2-Command-Injection.html
https://github.com/vulnbe/poc-rebar3.git
https://vuln.be/post/rebar3-command-injection/

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.