Out-of-bounds read in sysstat - CVE-2018-19416

 

Out-of-bounds read in sysstat - CVE-2018-19416

Published: November 22, 2018 / Updated: November 27, 2018


Vulnerability identifier: #VU16063
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-19416
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: GODARD Sebastien
Affected software:
sysstat

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to out-of-bounds read in the remap_struct function in sa_common.c during a memmove call. A local attacker can control src and n of memmove, trigger stack-based buffer overflow and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-19416

Install update from vendor's website.

Sources