Apple macOS up to 10.12.3 Apache data processing

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple macOS up to 10.12.3 and classified as problematic. Affected by this issue is some unknown functionality of the component Apache. This manipulation causes data processing. This vulnerability is registered as CVE-2016-8743. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Apple macOS up to 10.12.3 (Operating System). Affected by this vulnerability is an unknown part of the component Apache. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect availability.

The bug was discovered 12/20/2016. The weakness was published 03/27/2017 with X-Force as HT207615 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2016-8743 since 10/18/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple issues existed in Apache before 2.4.25. These were addressed by updating LibreSSL to version 2.4.25.

The vulnerability was handled as a non-public zero-day exploit for at least 97 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 102178 (Amazon Linux AMI : httpd24 (ALAS-2017-863)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 10.12.4 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 (102178) and SecurityFocus (BID 95077†). Similar entries are available at VDB-89669, VDB-89849, VDB-93958 and VDB-94625. 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: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Data processing
CWE: CWE-19
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: 102178
Nessus Name: Amazon Linux AMI : httpd24 (ALAS-2017-863)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801284
OpenVAS Name: Apache HTTP Server Whitespace Defects Multiple Vulnerabilities
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 10.12.4

Timelineinfo

10/18/2016 🔍
12/20/2016 +63 days 🔍
12/20/2016 +0 days 🔍
03/27/2017 +97 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
07/27/2017 +121 days 🔍
08/04/2017 +8 days 🔍
11/15/2022 +1929 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207615
Organization: X-Force
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8743 (🔍)
GCVE (CVE): GCVE-0-2016-8743
GCVE (VulDB): GCVE-100-98605

OVAL: 🔍

SecurityFocus: 95077 - Apache HTTP Server CVE-2016-8743 Security Bypass Vulnerability
OSVDB: - CVE-2016-8743 - Apache HTTP - Whitespace Defect Issue
SecurityTracker: 1037508

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

Entryinfo

Created: 03/28/2017 11:02
Updated: 11/15/2022 15:48
Changes: 03/28/2017 11:02 (70), 08/20/2020 16:24 (17), 11/15/2022 15:48 (4)
Complete: 🔍
Cache ID: 216:7BC:103

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