Apple Mac OS X 10.9.2 Heimdal Kerberos input validation

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5.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple Mac OS X 10.9.2. This affects an unknown function of the component Heimdal Kerberos. The manipulation results in input validation. This vulnerability is reported as CVE-2014-1316. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Apple Mac OS X 10.9.2 (Operating System). Affected is an unknown code block of the component Heimdal Kerberos. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

Heimdal, as used in Apple OS X through 10.9.2, allows remote attackers to cause a denial of service (abort and daemon exit) via ASN.1 data encountered in the Kerberos 5 protocol.

The weakness was disclosed 04/22/2014 by Joonas Kuorilehto with Codenomicon as HT6207 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2014-1316 since 01/08/2014. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A reachable abort existed in the handling of ASN.1 data.

The vulnerability scanner Nessus provides a plugin with the ID 73648 (Mac OS X Multiple Vulnerabilities (Security Update 2014-002)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122028 (Apple Mac OS X Security Update 2014-002 Not Installed (HT6207)).

Applying the patch Security Update 2014-002 is able to eliminate this problem. The bugfix is ready for download at support.apple.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed through additional validation of ASN.1 data.

The vulnerability is also documented in the databases at X-Force (92697), Tenable (73648), SecurityFocus (BID 67021†), Secunia (SA58081†) and SecurityTracker (ID 1030133†). The entries VDB-10903, VDB-13041, VDB-13040 and VDB-13039 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 73648
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Update 2014-002)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: Security Update 2014-002

Timelineinfo

01/08/2014 🔍
04/22/2014 +104 days 🔍
04/22/2014 +0 days 🔍
04/22/2014 +0 days 🔍
04/22/2014 +0 days 🔍
04/23/2014 +1 days 🔍
04/23/2014 +0 days 🔍
04/23/2014 +0 days 🔍
04/23/2014 +0 days 🔍
04/23/2014 +0 days 🔍
06/17/2021 +2612 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6207
Researcher: Joonas Kuorilehto
Organization: Codenomicon
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-1316 (🔍)
GCVE (CVE): GCVE-0-2014-1316
GCVE (VulDB): GCVE-100-13032

IAVM: 🔍

X-Force: 92697 - Apple Mac OS X Heimdal Kerberos denial of service, Medium Risk
SecurityFocus: 67021 - Apple Mac OS X CVE-2014-1316 Remote Denial of Service Vulnerability
Secunia: 58081 - Apple OS X Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1030133 - Apple OS X Multiple Bugs Let Remote Users Execute Arbitrary Code and Deny Service and Local Users Gain Elevated Privileges
Vulnerability Center: 44209 - Apple Mac OS X 10.9.2 Remote DoS in Heimdal Kerberos via ASN.1 Data, Medium

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 04/23/2014 12:25
Updated: 06/17/2021 14:38
Changes: 04/23/2014 12:25 (53), 05/26/2017 03:39 (39), 06/17/2021 14:38 (3)
Complete: 🔍
Cache ID: 216:922:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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