OS Command Injection Affecting rh-maven36-byte-buddy package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.47% (90th percentile)

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  • Snyk IDSNYK-RHEL7-RHMAVEN36BYTEBUDDY-5904710
  • published18 Sept 2023
  • disclosed20 Jul 2021

Introduced: 20 Jul 2021

CVE-2021-32751  (opens in a new tab)
CWE-78  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 rh-maven36-byte-buddy.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-maven36-byte-buddy package and not the rh-maven36-byte-buddy package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Gradle is a build tool with a focus on build automation. In versions prior to 7.2, start scripts generated by the application plugin and the gradlew script are both vulnerable to arbitrary code execution when an attacker is able to change environment variables for the user running the script. This may impact those who use gradlew on Unix-like systems or use the scripts generated by Gradle in thieir application on Unix-like systems. For this vulnerability to be exploitable, an attacker needs to be able to set the value of particular environment variables and have those environment variables be seen by the vulnerable scripts. This issue has been patched in Gradle 7.2 by removing the use of eval and requiring the use of the bash shell. There are a few workarounds available. For CI/CD systems using the Gradle build tool, one may ensure that untrusted users are unable to change environment variables for the user that executes gradlew. If one is unable to upgrade to Gradle 7.2, one may generate a new gradlew script with Gradle 7.2 and use it for older versions of Gradle. Fpplications using start scripts generated by Gradle, one may ensure that untrusted users are unable to change environment variables for the user that executes the start script. A vulnerable start script could be manually patched to remove the use of eval or the use of environment variables that affect the application's command-line. If the application is simple enough, one may be able to avoid the use of the start scripts by running the application directly with Java command.

CVSS Scores

version 3.1