CVE-2021-36770
High
Description
Encode.pm, 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 Encode.pm (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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
P5-encode
PublishedAug 11, 2021
First seenAug 11, 2021
How to fix
Update
- p5-encode_project p5-encode3.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| p5-encode_project p5-encode | 3.05 ≤ v < 3.12 | 3.12 |
| fedoraproject fedora | 34, 33 | — |
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