PT-2018-9490 · Xz Utils+1 · Xz Utils+1

Antonio Diaz Diaz · Published 2018-08-20 · Updated 2018-11-02 · CVE-2018-1000637

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 zutils versions prior to 1.8-pre2

Description The issue is related to a Buffer Overflow in the zcat function, potentially leading to denial of service or arbitrary code execution. This can be exploited when a victim opens a crafted compressed file.

Recommendations For versions prior to 1.8-pre2, update to version 1.8-pre2 or later to resolve the issue. As a temporary workaround, consider avoiding the use of zcat with untrusted compressed files until the update is applied.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-1000637

DLA-1505-1

OPENSUSE-SU-2018_2591-1

Affected Products

Suse

Xz Utils

References · 12

• https://osv.dev/vulnerability/UBUNTU-CVE-2018-1000637 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-1000637 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-1000637 · Security Note
• https://ubuntu.com/security/CVE-2018-1000637 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-1000637 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000637 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1505-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-1000637 · Security Note
• https://bugs.debian.org/904819 · Note
• http://openwall.com/lists/oss-security/2018/08/05/1 · Note
• https://lists.debian.org/debian-lts-announce/2018/09/msg00016.html · Note
• https://lists.nongnu.org/archive/html/zutils-bug/2018-08/msg00000.html · Note