PT-2018-10614 · Lizard+1 · Lizard+1

Glen-Maco · Published 2018-05-26 · Updated 2018-07-05 · CVE-2018-11498

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Lizard version 1.0 LZ5 version 2.0

Description The issue is related to an unchecked buffer size during a memcpy in the Lizard decompress LIZv1 function, located in lib/lizard decompress liz.h. This allows remote attackers to cause a denial of service via a crafted input file and potentially achieve remote code execution.

Recommendations For Lizard version 1.0, consider restricting access to the Lizard decompress LIZv1 function until a patch is available. For LZ5 version 2.0, avoid using the vulnerable Lizard decompress LIZv1 function in lib/lizard decompress liz.h until the issue is resolved.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-11498

Affected Products

Lz5

Lizard

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-11498 · Security Note
• https://osv.dev/vulnerability/CVE-2018-11498 · Vendor Advisory
• https://github.com/inikep/lizard/issues/16 · Note