Vigil@nce - Perl Core: out-of-bounds memory reading via S_grok_bslash_N
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: data reading, 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 force a read at an invalid address via
S_grok_bslash_N() of Perl Core, in order to trigger a denial of
service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Perl-Core-out-of-bounds-memory-reading-via-S-grok-bslash-N-27918