What is CVE-2018-1123?

CVE-2018-1123 is a low-severity vulnerability in Procps-ng_project Procps-ng, classified under Heap-based Buffer Overflow. CVSS score: 3.9/10. Published 2018-05-23.

How severe is CVE-2018-1123?

Low severity. CVSS v3 base score is 3.9 out of 10.

Is CVE-2018-1123 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Procps-ng_project Procps-ng

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 cras…

Vulnerability class: Buffer Overflow

EPSS: 0.091 (94.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.9 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L.

Affected products

Procps-ng_project Procps-ng
[Unknown] Procps-ng, Procps — versions procps-ng 3.3.15
Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
Debian Debian_linux — versions 7.0, 8.0, 9.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
secalert@redhat.com (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-1123?: CVE-2018-1123 is a low-severity vulnerability in Procps-ng_project Procps-ng, classified under Heap-based Buffer Overflow. CVSS score: 3.9/10. Published 2018-05-23.
How severe is CVE-2018-1123?: Low severity. CVSS v3 base score is 3.9 out of 10.
Is CVE-2018-1123 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.