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Vigil@nce - Perl Core: integer overflow via Perl_my_setenv

January 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert

SYNTHESIS OF THE VULNERABILITY

 Impacted products: Debian, Fedora, OpenBSD, openSUSE Leap, Perl
Core, RHEL, SLES, Ubuntu.
 Severity: 2/4.
 Consequences: user access/rights, denial of service on service,
denial of service on client.
 Provenance: document.
 Confidence: confirmed by the editor (5/5).
 Creation date: 30/11/2018.

DESCRIPTION OF THE VULNERABILITY

An attacker can generate an integer overflow via Perl_my_setenv()
of Perl Core, in order to trigger a denial of service, and
possibly to run code.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Perl-Core-integer-overflow-via-Perl-my-setenv-27916


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