MIT Kerberos up to 5-1.13 XDR Data use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability was found in MIT Kerberos up to 5-1.13 and classified as critical. This affects an unknown part of the component XDR Data Handler. Such manipulation leads to use after free. This vulnerability is listed as CVE-2014-9421. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MIT Kerberos up to 5-1.13 (Network Authentication Software). It has been rated as critical. Affected by this issue is an unknown code of the component XDR Data Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was presented 02/03/2015 as MITKRB5-SA-2015-001 as confirmed advisory (Website). The advisory is available at web.mit.edu. This vulnerability is handled as CVE-2014-9421 since 12/26/2014. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 83874 (AIX NAS Advisory : nas_advisory3.asc), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350184 (Amazon Linux Security Advisory for krb5: ALAS-2015-518).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (100841), Tenable (83874), SecurityFocus (BID 72496†), SecurityTracker (ID 1031691†) and Vulnerability Center (SBV-48699†). See VDB-69037, VDB-69040, VDB-69039 and VDB-69192 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.9
VulDB Temp Score: 8.6
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: Use after free
CWE: CWE-416 / CWE-119
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: 83874
Nessus Name: AIX NAS Advisory : nas_advisory3.asc
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2015-518
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/26/2014 🔍
02/03/2015 +39 days 🔍
02/03/2015 +0 days 🔍
02/03/2015 +0 days 🔍
02/04/2015 +1 days 🔍
02/05/2015 +1 days 🔍
02/19/2015 +14 days 🔍
02/23/2015 +4 days 🔍
03/08/2022 +2570 days 🔍

Sourcesinfo

Vendor: mit.edu

Advisory: MITKRB5-SA-2015-001
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9421 (🔍)
GCVE (CVE): GCVE-0-2014-9421
GCVE (VulDB): GCVE-100-69038

OVAL: 🔍

X-Force: 100841 - MIT krb5 kadmind code execution, High Risk
SecurityFocus: 72496 - MIT Kerberos 5 'kadmind' Daemon CVE-2014-9421 Remote Code Execution Vulnerability
SecurityTracker: 1031691 - MIT Kerberos Multiple Flaws in kadmind Let Remote Users Obtain Potentially Sensitive Information and Remote Authenticted Users Execute Arbitrary Code
Vulnerability Center: 48699 - MIT Kerberos 5 Remote DoS or Code Execution via Malformed XDR Data, High

See also: 🔍

Entryinfo

Created: 02/05/2015 16:44
Updated: 03/08/2022 14:16
Changes: 02/05/2015 16:44 (76), 07/07/2017 17:06 (6), 03/08/2022 14:11 (3), 03/08/2022 14:16 (1)
Complete: 🔍
Cache ID: 216:BF4:103

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