Vulnerability CVE-2018-1123
Published: 2018-05-23

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).

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Procps-ng Multiple Vulnerabilities
Qualys Corporati...
31.05.2018

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Procps-ng project -> Procps-ng 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://seclists.org/oss-sec/2018/q2/122
http://www.securityfocus.com/bid/104214
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1123
https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html
https://security.gentoo.org/glsa/201805-14
https://usn.ubuntu.com/3658-1/
https://usn.ubuntu.com/3658-3/
https://www.debian.org/security/2018/dsa-4208
https://www.exploit-db.com/exploits/44806/
https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt
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