CVE-2018-1123

Procps Ng vulnerability

CVSS

3.9

EPSS

9.1%

EPSS pct

95th

Exploited

No known

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 vendor

Procps Ng Project

Affected product

Procps Ng

CVSS vector

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

Weakness type (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2018-05-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring low privileges, user interaction. Successful exploitation leads to low impact to integrity, low impact to availability.

Its EPSS score of 9.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2018-1123

Confirm whether Procps Ng Project Procps Ng is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-1123.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1123

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