National Vulnerability Database (NVD) National Vulnerability Database (CVE-2010-0049)

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Vulnerability Summary for CVE-2010-0049

Original release date:03/15/2010

Last revised:03/18/2011

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: BID

Name: 38671

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/38671

External Source: VUPEN

Name: ADV-2011-0552

Hyperlink:http://www.vupen.com/english/advisories/2011/0552

External Source: VUPEN

Name: ADV-2011-0212

Hyperlink:http://www.vupen.com/english/advisories/2011/0212

External Source: VUPEN

Name: ADV-2010-2722