CVE-2018-1123 Information

Description

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00058.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00059.html http://seclists.org/oss-sec/2018/q2/122 http://www.securityfocus.com/bid/104214 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123 https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html https://security.gentoo.org/glsa/201805-14 https://usn.ubuntu.com/3658-1/ https://usn.ubuntu.com/3658-3/ https://www.debian.org/security/2018/dsa-4208 https://www.exploit-db.com/exploits/44806/ https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5