Wind River Support Network


LIN1021-1112 : Security Advisory - perl - CVE-2021-36770

Created: Aug 9, 2021    Updated: Sep 25, 2021
Resolved Date: Sep 17, 2021
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace

Description, as distributed in Perl through 5.34.0, allows local users to gain privileges via a Trojan horse Encode::ConfigLocal library (in the current working directory) that preempts dynamic module loading. Exploitation requires an unusual configuration, and certain 2021 versions of (3.05 through 3.11). This issue occurs because the || operator evaluates @INC in a scalar context, and thus @INC has only an integer value.


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