Integer overflow in sysstat

1) Integer overflow

EUVDB-ID: #VU30790

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-16167

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

sysstat before 12.1.6 has memory corruption due to an Integer Overflow in remap_struct() in sa_common.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

sysstat: 12.1.1 - 12.1.5

External links

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00067.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00068.html
http://github.com/sysstat/sysstat/compare/v12.1.5...v12.1.6
http://github.com/sysstat/sysstat/issues/230
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVSMKUPWIGQYX4G5LZXL7ZBJN3KY6RM3/
http://usn.ubuntu.com/4242-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.