Out-of-bounds read in FreeRADIUS - CVE-2017-10983
Published: July 18, 2017
Vulnerability identifier: #VU7557
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-2017-10983
CWE-ID: CWE-125
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 fr_dhcp_decode() function when processing DHCP packets. A remote attacker on local network can send specially crafted DHCP option 63 with non-zero contents to vulnerable system and trigger denial of service attack.
Affected software
FreeRADIUS
Debian Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Fedora
freeradius
Debian Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Fedora
freeradius
How to mitigate CVE-2017-10983
Update to version 2.2.10.
freeradius - addressed in versions 3.0.15-1.fc25, 3.0.15-1.fc26
External References
Related Security Bulletins
- Multiple vulnerabilities in FreeRADIUS
- Red Hat Enterprise Linux update for FreeRADIUS
- Ubuntu update for FreeRADIUS
- Debian update for freeradius
- Amazon Linux AMI update for freeradius
- OpenSUSE Linux update for freeradius-server
- SUSE Linux update for freeradius-server
- Fedora 26 update for freeradius
- Fedora 25 update for freeradius