Apple Mac OS X up to 10.11.5 libxslt integer overflow

CVSS Meta Temp Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.11.5. It has been rated as critical. Affected by this issue is some unknown functionality of the component libxslt. This manipulation causes integer overflow. This vulnerability is handled as CVE-2016-1684. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.11.5 (Operating System) and classified as critical. Affected by this vulnerability is an unknown function of the component libxslt. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 07/18/2016 by Nicolas Grégoire (OUSPG) with Cisco Talos as HT206903 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2016-1684 since 01/12/2016. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 92351 (GLSA-201607-07 : Chromium: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370005 (Google Chrome Prior to 51.0.2704.63 Multiple Vulnerabilities).

Upgrading to version 10.11.6 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 (92351) and SecurityFocus (BID 90876†). Entries connected to this vulnerability are available at VDB-87648, VDB-87649, VDB-87650 and VDB-87651. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 92351
Nessus Name: GLSA-201607-07 : Chromium: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities December-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.11.6
Patch: git.gnome.org

Timelineinfo

01/12/2016 🔍
05/25/2016 +134 days 🔍
06/05/2016 +11 days 🔍
07/18/2016 +43 days 🔍
07/18/2016 +0 days 🔍
07/18/2016 +0 days 🔍
07/19/2016 +1 days 🔍
09/06/2022 +2240 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206903
Researcher: Nicolas Grégoire (OUSPG)
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1684 (🔍)
GCVE (CVE): GCVE-0-2016-1684
GCVE (VulDB): GCVE-100-89761

OVAL: 🔍

SecurityFocus: 90876 - Google Chrome Prior to 51.0.2704.63 Multiple Security Vulnerabilities
SecurityTracker: 1035981

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

Entryinfo

Created: 07/19/2016 19:24
Updated: 09/06/2022 09:19
Changes: 07/19/2016 19:24 (59), 03/03/2019 11:29 (26), 09/06/2022 09:19 (5)
Complete: 🔍
Cache ID: 216::103

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

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