Buffer overflow in IBM AIX - CVE-2017-6458

 

Buffer overflow in IBM AIX - CVE-2017-6458

Published: July 7, 2017


Vulnerability identifier: #VU7386
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6458
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor:
IBM Corporation
Affected software:

IBM AIX

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to cause DoS condition.

The weakness exists due to multiple buffer overflows in the ctl_put() functions in NTP. A remote attacker can an overly long string argument, trigger memory corruption and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-6458

Install update from vendor's website.

Sources