Memory leak in FreeRADIUS - CVE-2017-10980
Published: July 17, 2017 / Updated: July 18, 2017
Vulnerability identifier: #VU7554
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2017-10980
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in decode_tlv() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP packets with option 82 and multiple sub-options to vulnerable system and trigger denial of service attack.
Affected software
FreeRADIUS
Debian Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Ubuntu
Debian Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Ubuntu
How to mitigate CVE-2017-10980
Update to version 2.2.10.