#VU39361 NULL pointer dereference in FreeRADIUS


Published: 2017-03-27 | Updated: 2021-01-26

Vulnerability identifier: #VU39361

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-8762

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FreeRADIUS
Server applications / Directory software, identity management

Vendor: FreeRADIUS Server Project

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a zero-length EAP-PWD packet.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FreeRADIUS: 3.0.0 - 3.0.8


External links
http://freeradius.org/security.html#eap-pwd-2015
http://www.openwall.com/lists/oss-security/2016/01/08/7


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability