CVE-2018-1123
procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 8.9%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 8.90% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · first 30 May 2018
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-119
- Affected
- procps-ng project/procps-ng · canonical/ubuntu linux · debian/debian linux
- Source
- secalert@redhat.com
EPSS 8.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.