Remote code execution in EMC NetWorker

1) Buffer overflow

EUVDB-ID: #VU8848

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8022

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to buffer overflow in the EMC NetWorker Server service (nsrd) when handling malicious input. A remote attacker can send specially crafted data, trigger memory corruption and execute arbitrary code with elevated privileges.

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

Mitigation

The vulnerability is addressed in the following versions: 8.2.4.9, 9.1.1.3, 9.2.0.4.

Vulnerable software versions

EMC NetWorker Server: 8.0 - 9.0.0.5

External links

http://seclists.org/fulldisclosure/2017/Oct/35

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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