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computer vulnerability CVE-2018-6913

Perl Core: buffer overflow via S_pack_rec

Synthesis of the vulnerability

An attacker can generate a buffer overflow via S_pack_rec of Perl Core, in order to trigger a denial of service, and possibly to run code.
Impacted products: Mac OS X, Debian, Fedora, OpenBSD, openSUSE Leap, Solaris, Perl Core, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 3/4.
Consequences of an intrusion: user access/rights, denial of service on service, denial of service on client.
Hacker's origin: document.
Creation date: 16/04/2018.
Références of this threat: 131844, bulletinjan2019, CVE-2018-6913, DLA-1345-1, DSA-4172-1, FEDORA-2018-0050f7c0d1, FEDORA-2018-1c8b49fbc7, FEDORA-2018-d1ba58394e, HT208937, openSUSE-SU-2018:1095-1, SUSE-SU-2018:1972-1, USN-3625-1, USN-3625-2, VIGILANCE-VUL-25875.

Description of the vulnerability

The Perl Core product offers a web service.

However, if the size of data is greater than the size of the storage array, an overflow occurs.

An attacker can therefore generate a buffer overflow via S_pack_rec of Perl Core, in order to trigger a denial of service, and possibly to run code.
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