GNU FreeRADIUS up to 0.9.3 rlm_smb memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in GNU FreeRADIUS up to 0.9.3. This affects an unknown function of the component rlm_smb. This manipulation causes memory corruption. This vulnerability is registered as CVE-2003-0967. Remote exploitation of the attack is possible. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in GNU FreeRADIUS up to 0.9.3 (Network Authentication Software). Affected by this vulnerability is some unknown functionality of the component rlm_smb. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

The bug was discovered 11/20/2003. The weakness was published 11/20/2003 by Evgeny Legerov with S-Quadra (Website). It is possible to read the advisory at s-quadra.com. This vulnerability is known as CVE-2003-0967 since 11/26/2003. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 67926 (Oracle Linux 5 : freeradius (ELSA-2009-1451)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.freeradius.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 7 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (13806), Exploit-DB (23391), Tenable (67926), SecurityFocus (BID 9079†) and OSVDB (2850†). Additional details are provided at tecchannel.de. Similar entry is available at VDB-405. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67926
Nessus Name: Oracle Linux 5 : freeradius (ELSA-2009-1451)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 880824
OpenVAS Name: CentOS Update for freeradius CESA-2009:1451 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: ftp.freeradius.org
ISS Proventia IPS: 🔍

Timelineinfo

11/20/2003 🔍
11/20/2003 +0 days 🔍
11/20/2003 +0 days 🔍
11/20/2003 +0 days 🔍
11/26/2003 +6 days 🔍
11/26/2003 +0 days 🔍
11/26/2003 +0 days 🔍
12/15/2003 +19 days 🔍
05/26/2009 +1989 days 🔍
09/17/2009 +114 days 🔍
07/12/2013 +1394 days 🔍
10/01/2024 +4099 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: s-quadra.com
Researcher: Evgeny Legerov
Organization: S-Quadra
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-0967 (🔍)
GCVE (CVE): GCVE-0-2003-0967
GCVE (VulDB): GCVE-100-415

OVAL: 🔍

X-Force: 13806
SecurityFocus: 9079 - FreeRADIUS Tag Field Heap Corruption Vulnerability
Secunia: 10296 - Gentoo update for net-dialup/freeradius, Highly Critical
OSVDB: 2850 - FreeRADIUS Tag Field Heap Corruption Vulnerability
SecuriTeam: securiteam.com
Vulnerability Center: 22185 - FreeRADIUS 0.9.2 and Earlier Rad_Decode Remote Denial of Service Vulnerability, High

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/26/2003 15:08
Updated: 10/01/2024 04:02
Changes: 11/26/2003 15:08 (91), 06/27/2019 10:35 (9), 10/01/2024 04:02 (24)
Complete: 🔍
Cache ID: 216:710:103

Be aware that VulDB is the high quality source for vulnerability data.

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