FreeRADIUS up to 3.0.8 EAP-PWD null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeRADIUS up to 3.0.8. It has been classified as problematic. This impacts an unknown function of the component EAP-PWD. Performing a manipulation results in null pointer dereference. This vulnerability was named CVE-2015-8762. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in FreeRADIUS up to 3.0.8 (Network Authentication Software). It has been classified as problematic. This affects an unknown code block of the component EAP-PWD. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a zero-length EAP-PWD packet.

The bug was discovered 01/08/2016. The weakness was presented 03/27/2017 (Website). It is possible to read the advisory at freeradius.org. This vulnerability is uniquely identified as CVE-2015-8762 since 01/08/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 444 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 219508 (Linux Distros Unpatched Vulnerability : CVE-2015-8762), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (219508). See VDB-98944 and VDB-98945 for similar entries. 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: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 219508
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2015-8762

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/08/2016 🔍
01/08/2016 +0 days 🔍
03/27/2017 +444 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
03/04/2025 +2898 days 🔍

Sourcesinfo

Advisory: freeradius.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8762 (🔍)
GCVE (CVE): GCVE-0-2015-8762
GCVE (VulDB): GCVE-100-98943
OSVDB: - CVE-2015-8762 - FreeRADIUS - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/28/2017 22:08
Updated: 03/04/2025 18:07
Changes: 03/28/2017 22:08 (57), 09/14/2020 18:15 (3), 03/04/2025 18:07 (18)
Complete: 🔍
Cache ID: 216:004:103

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

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