High severity · published May 23, 2018
CVE-2018-1123
procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow
7.5
CVSS
8.9%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.9% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
PR
Procps-ng · Procps-ng Project
before 3.3.15 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 17.10; 18.04 · source: NVD