Memory leak in FreeRADIUS - CVE-2017-10981

 

Memory leak in FreeRADIUS - CVE-2017-10981

Published: July 18, 2017


Vulnerability identifier: #VU7555
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/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-2017-10981
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: FreeRADIUS Server Project
Affected software:
FreeRADIUS

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak in fr_dhcp_decode() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP packets with malicious options  to vulnerable system and trigger denial of service attack.


How to mitigate CVE-2017-10981

Update to version 2.2.10.

Sources