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Secunia Security Advisory 51358

Secunia Security Advisory 51358
Posted Nov 23, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Multiple vulnerabilities have been reported in Mozilla Firefox and Mozilla Thunderbird, which can be exploited by malicious people to bypass certain security restrictions, conduct cross-site scripting attacks, and compromise a user's system.

tags | advisory, vulnerability, xss
SHA-256 | d53be8d6c393007d6db144b8e9757ca8073932b0d5a4778903aebdc6ccb18e3d

Secunia Security Advisory 51358

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Mozilla Firefox / Thunderbird Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA51358

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51358/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51358

RELEASE DATE:
2012-11-21

DISCUSS ADVISORY:
http://secunia.com/advisories/51358/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/51358/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=51358

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Multiple vulnerabilities have been reported in Mozilla Firefox and
Mozilla Thunderbird, which can be exploited by malicious people to
bypass certain security restrictions, conduct cross-site scripting
attacks, and compromise a user's system.

1) Several unspecified errors in the browser engine can be exploited
to corrupt memory.

2) An error within the "image::RasterImage::DrawFrameTo()" function
when rendering GIF images can be exploited to cause a buffer
overflow.

3) An error within the "evalInSandbox()" function when handling the
"location.href" property can be exploited to bypass the sandbox and
e.g. conduct cross-site scripting attacks or read a local file.

4) An error when handling SVG text when setting CSS properties can be
exploited to corrupt memory.

5) The "Javascript:" URLs when opened in a New Tab page inherit the
privileges of the privileged "new tab" page and can be exploited to
e.g. execute locally installed programs.

NOTE: This vulnerability only affects Firefox.

6) An integer underflow error within the "str_unescape()" function
can be exploited to cause a heap-based buffer overflow.

7) The "XMLHttpRequest" objects created within sandboxes are created
with system principal instead of the sandbox principal and can be
exploited to e.g conduct cross-site request forgery attacks.

8) An error when handling XrayWrappers can be exploited to disclose
chrome-only properties.

9) An error within certain wrappers can be exploited to bypass the
same-origin policy and conduct cross-site scripting attacks.

10) An error when handling HZ-GB-2312 charset encoding can be
exploited to conduct cross-site scripting attacks.

11) The Developer Toolbar allows script to be executed in chrome
privileged context.

NOTE: This vulnerability only affects Firefox.

12) An error when handling the "location" object can be exploited to
shadow the property.

13) An error within Style Inspector when parsing stylesheets can be
exploited to execute HTML and CSS code in chrome privileged context.

14) Some use-after-free errors exist within the
"nsTextEditorState::PrepareEditor()",
"nsPlaintextEditor::FireClipboardEvent()", "gfxFont::GetFontEntry()",
"nsTextEditorState::PrepareEditor()", "XPCWrappedNative::Mark()",
"nsEditor::FindNextLeafNode()",
"nsViewManager::ProcessPendingUpdates()", and
"BuildTextRunsScanner::BreakSink::SetBreaks()" functions.

15) Some errors within the "nsWindow::OnExposeEvent()" and
"gfxShapedWord::CompressedGlyph::IsClusterStart()" functions can be
exploited to cause heap-based buffer overflows.

16) A use-after-free error exists when loading html file.

NOTE: This vulnerability only affects OS X.

17) An unspecified error in certain texImage2D calls can be exploited
to corrupt memory.

18) An integer overflow error exists when handling the webgl
bufferdata.

19) An error within copyTexImage2D when handling image dimensions can
be exploited to corrupt memory.

SOLUTION:
Upgrade to version 17.0.

PROVIDED AND/OR DISCOVERED BY:
6) Scott Bell of Security-Assessment.com

The vendor credits:
1) Gary Kwong, Jesse Ruderman, Christian Holler, Bob Clary, Kyle
Huey, Ed Morley, Chris Lord, Boris Zbarsky, Julian Seward, Bill
McCloskey, and Andrew McCreight
2) Atte Kettunen, OUSPG
3) moz_bug_r_a4
4) Jonathan Stephens
5) kakzz.ng
7) Gabor Krizsanits
8) Peter Van der Beken
9) Bobby Holley
10, 11) Masato Kinugawa
12, 13) Mariusz Mlynski
14, 15) Abhishek Arya (Inferno), Google Chrome Security Team
16 - 19) miaubiz

ORIGINAL ADVISORY:
Mozilla:
http://www.mozilla.org/security/announce/2012/mfsa2012-91.html
http://www.mozilla.org/security/announce/2012/mfsa2012-92.html
http://www.mozilla.org/security/announce/2012/mfsa2012-93.html
http://www.mozilla.org/security/announce/2012/mfsa2012-94.html
http://www.mozilla.org/security/announce/2012/mfsa2012-95.html
http://www.mozilla.org/security/announce/2012/mfsa2012-96.html
http://www.mozilla.org/security/announce/2012/mfsa2012-97.html
http://www.mozilla.org/security/announce/2012/mfsa2012-98.html
http://www.mozilla.org/security/announce/2012/mfsa2012-99.html
http://www.mozilla.org/security/announce/2012/mfsa2012-100.html
http://www.mozilla.org/security/announce/2012/mfsa2012-101.html
http://www.mozilla.org/security/announce/2012/mfsa2012-102.html
http://www.mozilla.org/security/announce/2012/mfsa2012-103.html
http://www.mozilla.org/security/announce/2012/mfsa2012-104.html
http://www.mozilla.org/security/announce/2012/mfsa2012-105.html
http://www.mozilla.org/security/announce/2012/mfsa2012-106.html

Security-Assessment.com:
http://www.security-assessment.com/files/documents/advisory/mozilla_str_unescape.pdf

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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