Apple Safari up to 9.0.2 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Safari up to 9.0.2. This affects an unknown function of the component WebKit. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2016-1723. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 9.0.2 (Web Browser) and classified as critical. This issue affects an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

WebKit, as used in Apple iOS before 9.2.1 and Safari before 9.0.3, 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-2016-1725 and CVE-2016-1726.

The weakness was disclosed 01/15/2016 by Joe Vennix with Apple as HT205730 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-1723 since 01/13/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 $0-$5k at the moment (estimation calculated on 07/06/2022). 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 88597 (Mac OS X : Apple Safari < 9.0.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. 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 9.0.3 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 (88597), SecurityFocus (BID 81263†) and Vulnerability Center (SBV-57539†). The entries VDB-80346, VDB-80347, VDB-80348 and VDB-80349 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: 🔍
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: 88597
Nessus Name: Mac OS X : Apple Safari < 9.0.3 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: Safari 9.0.3

Timelineinfo

01/13/2016 🔍
01/15/2016 +2 days 🔍
01/15/2016 +0 days 🔍
01/19/2016 +4 days 🔍
01/22/2016 +3 days 🔍
02/01/2016 +10 days 🔍
02/05/2016 +4 days 🔍
03/21/2016 +45 days 🔍
03/22/2016 +1 days 🔍
07/06/2022 +2297 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205730
Researcher: Joe Vennix
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1723 (🔍)
GCVE (CVE): GCVE-0-2016-1723
GCVE (VulDB): GCVE-100-80627
SecurityFocus: 81263 - WebKit Multiple Security Vulnerabilities
SecurityTracker: 1034737
Vulnerability Center: 57539 - Apple Safari <9.0.3 Remote Code Execution in WebKit - CVE-2016-1723, Medium

See also: 🔍

Entryinfo

Created: 01/22/2016 16:55
Updated: 07/06/2022 07:45
Changes: 01/22/2016 16:55 (73), 02/02/2019 10:58 (17), 07/06/2022 07:45 (3)
Complete: 🔍
Cache ID: 216::103

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