CVE-2019-25777 YAML versions before 1.27_001 for Perl allow a loaded perl/glob document to replace any package variable, which can lead to arbitrary code execution

YAML versions before 1.27001 for Perl allow a loaded perl/glob document to replace any package variable, which can lead to arbitrary code execution. A perl/glob document names a package and a symbol, and supplies the value assigned to it. Nothing restricts the name, so the target can be @INC or...

CVE-2019-25777: Improper Control of Dynamically-Identified Variables

YAML versions before 1.27001 for Perl allow a loaded perl/glob document to replace any package variable, which can lead to arbitrary code execution. A perl/glob document names a package and a symbol, and supplies the value assigned to it. Nothing restricts the name, so the target can be @INC or...

PT-2020-22802

Name of the Vulnerable Software and Affected Versions perl-YAML versions prior to 1.30 Description The issue arises from the ability to evaluate typeglobs, which could allow setting the variable $YAML::LoadCode from a YAML file, posing a security risk. This is mitigated by enforcing that $LoadCod...