CVE-2018-1123

Name: CVE-2018-1123
Creator: NVD / NIST
Published: 2018-05-23T14:29:00.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 9.08%

Last modified Jun 17, 2026

CVE-2018-1123 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 9.08% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability

9.08%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Procps-Ng Project	Procps-Ng	< 3.3.15
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

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/q2/122Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/104214Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123Issue Tracking, Patch, Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2018/05/msg00021.htmlThird Party Advisory
https://security.gentoo.org/glsa/201805-14Third Party Advisory
https://usn.ubuntu.com/3658-1/Third Party Advisory
https://usn.ubuntu.com/3658-3/Third Party Advisory
https://www.debian.org/security/2018/dsa-4208Third Party Advisory
https://www.exploit-db.com/exploits/44806/Third Party Advisory, VDB Entry
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txtExploit, Third Party Advisory
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/q2/122Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/104214Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123Issue Tracking, Patch, Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2018/05/msg00021.htmlThird Party Advisory
https://security.gentoo.org/glsa/201805-14Third Party Advisory
https://usn.ubuntu.com/3658-1/Third Party Advisory
https://usn.ubuntu.com/3658-3/Third Party Advisory
https://www.debian.org/security/2018/dsa-4208Third Party Advisory
https://www.exploit-db.com/exploits/44806/Third Party Advisory, VDB Entry
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txtExploit, Third Party Advisory

Timeline

Published: May 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1123?

How severe is CVE-2018-1123?

Severity scoring for CVE-2018-1123 is pending analysis. The EPSS model estimates a 9.08% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1123?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST