Apple macOS up to 10.13.1 Heimdal data authenticity

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.13.1. It has been declared as critical. Affected is an unknown function of the component Heimdal. The manipulation results in data authenticity. This vulnerability is cataloged as CVE-2017-11103. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.13.1 (Operating System). Affected is some unknown processing of the component Heimdal. The manipulation with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 07/12/2017. The weakness was shared 10/31/2017 by Nico Williams as HT208221 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2017-11103 since 07/07/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The advisory points out:

A validation issue existed in the handling of the KDC-REP service name. This issue was addressed through improved validation.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 101773 (Samba 4.4.x < 4.4.15 / 4.5.x < 4.5.12 / 4.6.x < 4.6.6 KDC-REP Service Name Validation (Orpheus' Lyre)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185136 (HPE HP-UX running CIFS Server Multiple Vulnerabilities (HPESBUX03759)).

Upgrading to version 10.13.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101773) and SecurityFocus (BID 99551†). The entries VDB-103513, VDB-108405, VDB-108927 and VDB-108928 are related to this item. 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: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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: Data authenticity
CWE: CWE-345
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: 101773
Nessus Name: Samba 4.4.x < 4.4.15 / 4.5.x < 4.5.12 / 4.6.x < 4.6.6 KDC-REP Service Name Validation (Orpheus' Lyre)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT208144
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: macOS 10.13.1

Timelineinfo

07/07/2017 🔍
07/12/2017 +5 days 🔍
07/12/2017 +0 days 🔍
07/13/2017 +1 days 🔍
07/17/2017 +4 days 🔍
10/31/2017 +106 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
01/05/2023 +1889 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Researcher: Nico Williams
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-11103 (🔍)
GCVE (CVE): GCVE-0-2017-11103
GCVE (VulDB): GCVE-100-108954

OVAL: 🔍

SecurityFocus: 99551 - Heimdal CVE-2017-11103 Man in the Middle Security Bypass Vulnerability
SecurityTracker: 1038876

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 11/03/2017 15:13
Updated: 01/05/2023 14:49
Changes: 11/03/2017 15:13 (72), 12/03/2019 10:48 (15), 01/22/2021 06:35 (4), 01/05/2023 14:49 (3)
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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