Apple macOS up to 10.13.1 apache memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple macOS up to 10.13.1 and classified as critical. This issue affects some unknown processing of the component apache. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2017-7679. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as very critical was found in Apple macOS up to 10.13.1 (Operating System). Affected by this vulnerability is an unknown part of the component apache. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect 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, mod_mime can read one byte past the end of a buffer when sending a malicious Content-Type response header.

The bug was discovered 06/19/2017. The weakness was disclosed 10/31/2017 by Hanno Bock as HT208221 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-7679 since 04/11/2017. 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 price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/21/2021). 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 170131 (SUSE Enterprise Linux Security Update for apache2 (SUSE-SU-2017:1714-1)).

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 99170†). The entries VDB-21337, VDB-63776, VDB-90671 and VDB-96545 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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

04/11/2017 🔍
06/19/2017 +69 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 🔍
01/21/2021 +1175 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Researcher: Hanno Bock
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7679 (🔍)
GCVE (CVE): GCVE-0-2017-7679
GCVE (VulDB): GCVE-100-108937

OVAL: 🔍

SecurityFocus: 99170 - Apache HTTP Server CVE-2017-7679 Buffer Overflow Vulnerability
SecurityTracker: 1038711

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

Entryinfo

Created: 11/03/2017 15:04
Updated: 01/21/2021 18:50
Changes: 11/03/2017 15:04 (80), 12/03/2019 09:17 (6), 01/21/2021 18:50 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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