Out-of-bounds read in sysstat - CVE-2018-19517
Published: November 27, 2018
Vulnerability identifier: #VU16068
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-2018-19517
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: GODARD Sebastien
Affected software:
sysstat
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 make a memset call that submits malicious input, trigger memory corruption and cause the sadfcommand to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-19517
Install update from vendor's website.