FreeRADIUS up to 2.2.7/3.0.8 CRL Checker certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FreeRADIUS up to 2.2.7/3.0.8. Affected is an unknown function of the component CRL Checker. The manipulation leads to certificate validation. This vulnerability is documented as CVE-2015-4680. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeRADIUS up to 2.2.7/3.0.8 (Network Authentication Software). It has been rated as critical. This issue affects an unknown code of the component CRL Checker. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

FreeRADIUS 2.2.x before 2.2.8 and 3.0.x before 3.0.9 does not properly check revocation of intermediate CA certificates.

The weakness was released 06/22/2015 with CERT as #2015-008 as confirmed advisory (CERT.org). It is possible to read the advisory at ocert.org. The public release was coordinated with the project team. The identification of this vulnerability is CVE-2015-4680 since 06/19/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 84697 (FreeBSD : freeradius -- insufficient CRL application vulnerability (379788f3-2900-11e5-a4a5-002590263bf5)), 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 170144 (SUSE Enterprise Linux Security Update for freeradius-server (SUSE-SU-2017:1777-1)).

Upgrading to version 2.2.8 or 3.0.9 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (103971), Tenable (84697), SecurityFocus (BID 75327†) and SecurityTracker (ID 1032690†). Entries connected to this vulnerability are available at VDB-6290, VDB-10954 and VDB-101841. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84697
Nessus Name: FreeBSD : freeradius -- insufficient CRL application vulnerability (379788f3-2900-11e5-a4a5-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 12024
OpenVAS Name: Mageia Linux Local Check: mgasa-2015-0291
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: 🔍

Upgrade: FreeRADIUS 2.2.8/3.0.9

Timelineinfo

06/18/2015 🔍
06/18/2015 +0 days 🔍
06/19/2015 +1 days 🔍
06/22/2015 +3 days 🔍
06/22/2015 +0 days 🔍
06/22/2015 +0 days 🔍
06/23/2015 +1 days 🔍
07/14/2015 +21 days 🔍
04/05/2017 +631 days 🔍
04/14/2019 +739 days 🔍

Sourcesinfo

Advisory: #2015-008
Organization: CERT
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2015-4680 (🔍)
GCVE (CVE): GCVE-0-2015-4680
GCVE (VulDB): GCVE-100-76031
X-Force: 103971 - FreeRADIUS CRL security bypass
SecurityFocus: 75327 - FreeRADIUS CVE-2015-4680 Certificate Validation Security Bypass Vulnerability
SecurityTracker: 1032690

See also: 🔍

Entryinfo

Created: 06/23/2015 10:00
Updated: 04/14/2019 13:02
Changes: 06/23/2015 10:00 (79), 04/14/2019 13:02 (11)
Complete: 🔍
Cache ID: 216:798:103

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

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