Stack-based buffer overflow in OpenLDAP - CVE-2017-17740
Published: December 24, 2018
Vulnerability identifier: #VU16671
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-17740
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenLDAP.org
Affected software:
OpenLDAP
OpenLDAP
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to a boundary error шт contrib/slapd-modules/nops/nops.c when both the nops module and the memberof overlay are enabled. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause slapd crash via a member MODDN operation.
How to mitigate CVE-2017-17740
Install updates from vendor's website.