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Last updated: 10/21/2014 8:06:40 PM

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Vulnerability Summary for CVE-2010-0049

Original release date: 03/15/2010
Last revised: 03/17/2011
Source: US-CERT/NIST

Overview

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via HTML elements with right-to-left (RTL) text directionality.

Description

Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000. CVE-ID: CVE-2010-0049 Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11, Mac OS X v10.5.8, Mac OS X Server v10.5.8, Mac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later, Windows 7, Vista, XP Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution Description: A use-after-free issue exists in the handling of HTML elements containing right-to-left displayed text. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This issue is addressed through improved memory reference tracking. Credit to wushi&Z of team509 for reporting this issue.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: APPLE
Name: APPLE-SA-2010-03-11-1
Type: Advisory
External Source: FEDORA
Name: FEDORA-2010-8379
External Source: MANDRIVA
Name: MDVSA-2011:039
External Source: UBUNTU
Name: USN-1006-1
External Source: VUPEN
Name: ADV-2011-0212
External Source: FEDORA
Name: FEDORA-2010-8360
External Source: SECTRACK
Name: 1023708
External Source: SECUNIA
Name: 43068
External Source: OVAL
Name: oval:org.mitre.oval:def:6810
External Source: FEDORA
Name: FEDORA-2010-8423
External Source: VUPEN
Name: ADV-2011-0552
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4070
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2011:002
External Source: APPLE
Name: APPLE-SA-2010-06-21-1
External Source: BID
Name: 38671
Type: Patch Information
External Source: IDEFENSE
Name: 20100311 Multiple Vendor WebKit HTML Element Use After Free Vulnerability
External Source: VUPEN
Name: ADV-2010-2722
External Source: SECUNIA
Name: 41856
External Source: OSVDB
Name: 62942
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4225

References to Check Content

Identifier: oval:org.mitre.oval:def:6810
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)