#VU76159 OS Command Injection in gradle - CVE-2021-32751

Vulnerability identifier: #VU76159

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-32751

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
gradle
Other software / Other software solutions

Vendor: Gradle

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A local user who can modify environment variables is able to execute arbitrary OS commands when executing the "gradlew build" command or start scripts.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

gradle: before 7.2.0, 7.2.0

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External links
https://github.com/gradle/gradle/security/advisories/GHSA-6j2p-252f-7mw8
https://mywiki.wooledge.org/BashFAQ/048
https://medium.com/dot-debug/the-perils-of-bash-eval-cc5f9e309cae

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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