Buffer overflow in Quest Netvault Backup
CVE-2018-1161
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Quest NetVault Backup 11.2.0.13. Authentication is not required to exploit this vulnerability. The specific flaw exists within nvwsworker.exe. When parsing the boundary header of a multipart request, the process does not properly validate the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of SYSTEM. Was ZDI-CAN-4215.
Vulnerability class: Buffer Overflow
EPSS: 0.667 (99.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Quest Netvault_backup — versions 11.2.0.13
- Quest Netvault Backup — versions 11.2.0.13
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-1161?
- CVE-2018-1161 is a critical-severity vulnerability in Quest Netvault Backup, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2018-02-08.
- How severe is CVE-2018-1161?
- Critical severity. CVSS v3 base score is 9.8 out of 10.