Apple Safari up to 5.1.7 URI Sanitizer input validation

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

A vulnerability was found in Apple Safari up to 5.1.7 (Web Browser). It has been classified as critical. This affects some unknown processing of the component URI Sanitizer. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CRLF injection vulnerability in WebKit in Apple Safari before 6.0 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP request splitting attacks via a crafted web site that leverages improper WebSockets URI handling.

The weakness was published 07/25/2012 by David Belcher (Slawomir Blazek) with BlackBerry Security Incident Response Team as HT5400 as confirmed knowledge base article (Apple Security Announce). The advisory is shared at support.apple.com. The public release has been coordinated with Apple. This vulnerability is uniquely identified as CVE-2012-3696 since 06/19/2012. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept.

Upgrading to version 6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at 4654, 4645, 4650 and 5585.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 802924
OpenVAS Name: Apple Safari Multiple Vulnerabilities - July 2012 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 6
Patch: trac.webkit.org

Timelineinfo

06/19/2012 🔍
07/25/2012 +36 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/26/2012 +1 days 🔍
07/26/2012 +0 days 🔍
07/27/2012 +1 days 🔍
08/08/2012 +12 days 🔍
04/29/2018 +2089 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5400
Researcher: David Belcher (Slawomir Blazek)
Organization: BlackBerry Security Incident Response Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-3696 (🔍)
SecurityTracker: 1027307
SecurityFocus: 54700 - WebKit WebSockets CVE-2012-3696 HTTP Header Injection Vulnerability
Secunia: 50058 - Apple Safari for Mac OS X Multiple Vulnerabilities, Highly Critical
OSVDB: 84208

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/08/2012 13:10
Updated: 04/29/2018 00:09
Changes: 08/08/2012 13:10 (72), 04/29/2018 00:09 (7)
Complete: 🔍

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