Buffer overflow in Microsoft SQL Server - CVE-2018-8273
Published: August 14, 2018 / Updated: August 14, 2018
Vulnerability identifier: #VU14383
CSH Severity: Medium
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-8273
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing SQL queries. A remote attacker with ability to manipulate SQL query can trigger buffer overflow and execute arbitrary code on the vulnerable database server in the context of the SQL Server Database Engine service account.
Please, note this vulnerability can be also exploited by anonymous attacker via SQL injection vulnerability.Affected software
Microsoft SQL Server
How to mitigate CVE-2018-8273
Install updates from vendor's website.