SARA / Free Tools / CVE / CVE-2018-1123

CVE-2018-1123 — procps-ng before version 3

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
3.9 LOW
EPSS
3.62% (top 12.30%)
CWE
CWE-122
Published
2018-05-23T14:00:00.000Z
Last modified
2025-12-17T21:19:29.864Z
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

01What is this vulnerability?

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).

02Affected products

VendorProductVersions
[UNKNOWN]procpsng, procps — procps-ng 3.3.15

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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