Input validation error in Oracle Solaris

1) Input validation error

EUVDB-ID: #VU36534

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3271

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged user to a crash the entire system.

Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Kernel Zones). The supported version that is affected is 11.3. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Solaris executes to compromise Solaris. While the vulnerability is in Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Solaris. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H).

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Solaris: 11.3

External links

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/105605
http://www.securitytracker.com/id/1041895

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.