Apple macOS up to 10.13.1 apache improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.13.1. Affected by this vulnerability is an unknown functionality of the component apache. Performing a manipulation results in improper authentication. This vulnerability was named CVE-2017-3167. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.13.1 (Operating System). It has been classified as very critical. This affects some unknown processing of the component apache. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by third-party modules outside of the authentication phase may lead to authentication requirements being bypassed.

The bug was discovered 06/19/2017. The weakness was presented 10/31/2017 as HT208221 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2017-3167 since 12/05/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/04/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple issues were addressed by updating to version 2.4.27.

The vulnerability scanner Nessus provides a plugin with the ID 103015 (EulerOS 2.0 SP1 : httpd (EulerOS-SA-2017-1177)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351051 (Amazon Linux Security Advisory for httpd24: ALAS-2017-863).

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 (103015) and SecurityFocus (BID 99135†). See VDB-21337, VDB-63776, VDB-90671 and VDB-96545 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Improper authentication
CWE: CWE-287
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: 103015
Nessus Name: EulerOS 2.0 SP1 : httpd (EulerOS-SA-2017-1177)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801284
OpenVAS Name: Apache HTTP Server Multiple Vulnerabilities June17 (Windows)
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

12/05/2016 🔍
06/19/2017 +196 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
09/08/2017 +81 days 🔍
10/31/2017 +53 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
11/04/2025 +2923 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Researcher: Emmanuel Dreyfus
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3167 (🔍)
GCVE (CVE): GCVE-0-2017-3167
GCVE (VulDB): GCVE-100-108933

OVAL: 🔍

SecurityFocus: 99135 - Apache HTTP Server CVE-2017-3167 Authentication Bypass Vulnerability
SecurityTracker: 1038711

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

Entryinfo

Created: 11/03/2017 15:03
Updated: 11/04/2025 17:38
Changes: 11/03/2017 15:03 (80), 12/03/2019 08:59 (5), 01/21/2021 18:15 (3), 01/21/2021 18:19 (1), 11/04/2025 17:38 (16)
Complete: 🔍
Cache ID: 216:003:103

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