FreeRADIUS up to 2.2.9 rad_coalesce out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in FreeRADIUS up to 2.2.9. Affected by this issue is the function rad_coalesce. The manipulation results in out-of-bounds write. This vulnerability was named CVE-2017-10979. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in FreeRADIUS up to 2.2.9 (Network Authentication Software). Affected is the function rad_coalesce. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code.

The bug was discovered 06/18/2017. The weakness was presented 07/17/2017 by Guido Vranken (Website). The advisory is available at freeradius.org. This vulnerability is traded as CVE-2017-10979 since 07/06/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

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 236394 (Red Hat Update for freeradius (RHSA-2017:1759)).

Upgrading to version 2.2.10 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 99901†) and SecurityTracker (ID 1038914†). See VDB-103697, VDB-103699, VDB-103700 and VDB-103701 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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

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-2017-10979 (🔍)
GCVE (CVE): GCVE-0-2017-10979
GCVE (VulDB): GCVE-100-103698

OVAL: 🔍

SecurityFocus: 99901 - FreeRADIUS CVE-2017-10979 Out-Of-Bounds Write Remote Code Execution Vulnerability
SecurityTracker: 1038914

See also: 🔍

Entryinfo

Created: 07/18/2017 10:57
Updated: 12/13/2022 07:45
Changes: 07/18/2017 10:57 (82), 10/31/2019 07:04 (6), 12/13/2022 07:45 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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