Apple iOS up to 9.2.0 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.6$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 9.2.0. This vulnerability affects unknown code of the component WebKit. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2016-1724. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS up to 9.2.0 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component WebKit. 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:

WebKit, as used in Apple iOS before 9.2.1, Safari before 9.0.3, and tvOS before 9.1.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-1727.

The weakness was disclosed 01/19/2016 by Joe Vennix with Apple as HT205732 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2016-1724 since 01/13/2016. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/03/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 88418 (Apple TV < 9.1.1 Multiple Vulnerabilities), 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 124582 (Apple Safari 9.0.3 Not Installed (APPLE-SA-2016-01-19-3)).

Upgrading to version 9.2.1 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 (88418) and SecurityFocus (BID 81263†). The entries VDB-80332, VDB-80334, VDB-80335 and VDB-80336 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 88418
Nessus Name: Apple TV < 9.1.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 12024
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0116
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: iOS 9.2.1

Timelineinfo

01/13/2016 🔍
01/19/2016 +6 days 🔍
01/19/2016 +0 days 🔍
01/19/2016 +0 days 🔍
01/21/2016 +2 days 🔍
01/27/2016 +6 days 🔍
02/01/2016 +5 days 🔍
07/03/2022 +2344 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205732
Researcher: Joe Vennix
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1724 (🔍)
GCVE (CVE): GCVE-0-2016-1724
GCVE (VulDB): GCVE-100-80347
SecurityFocus: 81263 - WebKit Multiple Security Vulnerabilities
SecurityTracker: 1034737

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 01/21/2016 09:35
Updated: 07/03/2022 19:10
Changes: 01/21/2016 09:35 (61), 06/25/2018 09:15 (24), 07/03/2022 19:10 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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