CVE-2018-1123

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).

Affected

[UNKNOWN] · procps-ng, procps

CVSS v3.0 NVD

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

CVSS v3.0 REDHAT

3.9 LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

8.90% chance of exploitation in the next 30 days, 95th percentile

Published

2018-05-23

Updated

2025-12-17

Proof-of-concept exploits (1)

• https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/44806

Security advisories

• 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

References

• CVE Record
• NVD entry