Stack-based buffer overflow in FreeRADIUS



| Updated: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-2015
CWE-ID CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FreeRADIUS
Server applications / Directory software, identity management

Vendor FreeRADIUS Server Project

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU32556

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-2015

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a long password hash, as demonstrated by an SSHA hash. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

The vendor has issued the following versions to address this vulnerability: 2.2.4, 3.0.2.

Vulnerable software versions

FreeRADIUS: 2.2.0 - 3.0.1

CPE2.3 External links

https://lists.freebsd.org/pipermail/freebsd-bugbusters/2014-February/000610.html
https://lists.freebsd.org/pipermail/freebsd-bugbusters/2014-February/000612.html
https://lists.freebsd.org/pipermail/freebsd-bugbusters/2014-February/000616.html
https://rhn.redhat.com/errata/RHSA-2015-1287.html
https://ubuntu.com/usn/usn-2122-1
https://www.openwall.com/lists/oss-security/2014/02/18/3
https://www.securityfocus.com/bid/65581
https://bugzilla.redhat.com/show_bug.cgi?id=1066761


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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