FreeRADIUS up to 2.2.9/3.0.14 make_secret memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in FreeRADIUS up to 2.2.9/3.0.14. Affected by this vulnerability is the function make_secret. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-10978. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeRADIUS up to 2.2.9/3.0.14 (Network Authentication Software). It has been rated as problematic. This issue affects the function make_secret. The manipulation with an unknown input 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 availability. The summary by CVE is:

An FR-GV-201 issue in FreeRADIUS 2.x before 2.2.10 and 3.x before 3.0.15 allows "Read / write overflow in make_secret()" and a denial of service.

The bug was discovered 06/18/2017. The weakness was disclosed 07/17/2017 by Guido Vranken (Website). The advisory is shared at freeradius.org. The identification of this vulnerability is CVE-2017-10978 since 07/06/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 29 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 101823 (CentOS 6 : freeradius (CESA-2017:1759)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157494 (Oracle Enterprise Linux Security Update for freeradius (ELSA-2017-1759)).

Upgrading to version 2.2.10 or 3.0.15 eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101823), SecurityFocus (BID 99893†) and SecurityTracker (ID 1038914†). The entries VDB-103698, VDB-103699, VDB-103700 and VDB-103701 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: 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: 101823
Nessus Name: CentOS 6 : freeradius (CESA-2017:1759)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53676
OpenVAS Name: Debian Security Advisory DSA 3930-1 (freeradius - security update)
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: 🔍

Upgrade: FreeRADIUS 2.2.10/3.0.15

Timelineinfo

06/18/2017 🔍
07/06/2017 +18 days 🔍
07/17/2017 +11 days 🔍
07/17/2017 +0 days 🔍
07/18/2017 +1 days 🔍
07/18/2017 +0 days 🔍
07/18/2017 +0 days 🔍
07/19/2017 +1 days 🔍
07/20/2017 +1 days 🔍
12/13/2022 +1972 days 🔍

Sourcesinfo

Advisory: RHSA-2017:1759
Researcher: Guido Vranken
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-10978 (🔍)
GCVE (CVE): GCVE-0-2017-10978
GCVE (VulDB): GCVE-100-103697

OVAL: 🔍

SecurityFocus: 99893 - FreeRADIUS CVE-2017-10978 Out-of-Bounds Read/Write Denial of Service Vulnerability
SecurityTracker: 1038914

See also: 🔍

Entryinfo

Created: 07/18/2017 10:56
Updated: 12/13/2022 07:40
Changes: 07/18/2017 10:56 (81), 10/31/2019 07:17 (6), 12/13/2022 07:40 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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