GNU FreeRADIUS 1.0.3/1.0.4 LDAP rlm_ldap.c Escapes memory corruption ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in GNU FreeRADIUS 1.0.3/1.0.4. This impacts an unknown function of the file rlm_ldap.c of the component LDAP. Such manipulation as part of Escapes leads to memory corruption. This vulnerability is documented as CVE-2005-4744. The attack can be executed remotely. There is not any exploit available. It is still unclear if this vulnerability genuinely exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in GNU FreeRADIUS 1.0.3/1.0.4 (Network Authentication Software). It has been rated as critical. Affected by this issue is an unknown function of the file rlm_ldap.c of the component LDAP. The manipulation as part of a Escapes leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, and availability. CVE summarizes:

Off-by-one error in the sql_error function in sql_unixodbc.c in FreeRADIUS 1.0.2.5-5, and possibly other versions including 1.0.4, might allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by causing the external database query to fail. NOTE: this single issue is part of a larger-scale disclosure, originally by SUSE, which reported multiple issues that were disputed by FreeRADIUS. Disputed issues included file descriptor leaks, memory disclosure, LDAP injection, and other issues. Without additional information, the most recent FreeRADIUS report is being regarded as the authoritative source for this CVE identifier.

The weakness was released 09/08/2005 with Red Hat as Bug 167676 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2005-4744 since 03/28/2006. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 21679 (FreeBSD : freeradius -- multiple vulnerabilities (ec2f2ff5-f710-11da-9156-000e0c2e438a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117717 (CentOS Security Update for FreeRADIUS (CESA-2006:0271)).

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 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22211), Tenable (21679), SecurityFocus (BID 17171†), OSVDB (19321†) and Secunia (SA16712†). Entries connected to this vulnerability are available at VDB-1735, VDB-1731, VDB-1732 and VDB-1734. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21679
Nessus Name: FreeBSD : freeradius -- multiple vulnerabilities (ec2f2ff5-f710-11da-9156-000e0c2e438a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56859
OpenVAS Name: Debian Security Advisory DSA 1089-1 (freeradius)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: ftp.freeradius.org

Timelineinfo

09/08/2005 🔍
09/08/2005 +0 days 🔍
09/08/2005 +0 days 🔍
12/31/2005 +114 days 🔍
03/21/2006 +80 days 🔍
03/28/2006 +7 days 🔍
04/09/2006 +12 days 🔍
06/08/2006 +60 days 🔍
06/11/2006 +3 days 🔍
07/04/2019 +4771 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 167676
Researcher: http://www.redhat.com
Organization: Red Hat
Status: Not defined
Confirmation: 🔍
Disputed: 🔍

CVE: CVE-2005-4744 (🔍)
GCVE (CVE): GCVE-0-2005-4744
GCVE (VulDB): GCVE-100-1736

OVAL: 🔍

X-Force: 22211
SecurityFocus: 17171 - FreeRADIUS EAP-MSCHAPv2 Authentication Bypass Vulnerability
Secunia: 16712 - FreeRADIUS Multiple Vulnerabilities, Less Critical
OSVDB: 19321 - FreeRADIUS rlm_ldap.c Crafted Query LDAP Data Disclosure
Vulnerability Center: 10970 - FreeRADIUS DoS\\ Possibly Code Execution via Off-by-one Error in sql_error(), High

See also: 🔍

Entryinfo

Created: 09/08/2005 18:11
Updated: 07/04/2019 12:02
Changes: 09/08/2005 18:11 (94), 07/04/2019 12:02 (5)
Complete: 🔍
Cache ID: 216:C49:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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