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Insecure Library Loading
Highly critical

Mozilla Multiple Vulnerabilities

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Release Date:  2004-09-14    Last Update:  2004-09-27    Views:  124,001

Secunia Advisory SA12526

Where:

From remote

Impact:

Cross Site Scripting, Manipulation of data, Exposure of sensitive information, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Details have been released about several vulnerabilities in Mozilla, Mozilla Firefox, and Thunderbird. These can potentially be exploited by malicious people to conduct cross-site scripting attacks, access and modify sensitive information, and compromise a user's system.

1) Various boundary errors in "nsMsgCompUtils.cpp" can be exploited to cause heap-based buffer overflows when a specially crafted e-mail is forwarded.

Successful exploitation can potentially lead to execution of arbitrary code.

2) Insufficient restrictions on script generated events on text fields can be exploited to read and write content from and to the clipboard.

3) Boundary errors in the "writeGroup()" function in "nsVCardObj.cpp" can be exploited to cause stack-based buffer overflows by sending an e-mail containing a specially crafted vcard.

Successful exploitation may allow execution of arbitrary code but requires that the malicious e-mail is opened in preview.

4) Some boundary errors in "nsPop3Protocol.cpp", which handles POP3 mail communication, can be exploited to cause buffer overflow by a malicious POP3 mail server when sending specially crafted responses.

Successful exploitation may potentially allow execution of arbitrary code.

5) A problem with overly long links containing a non-ASCII characters can be exploited via a malicious website or e-mail to cause a buffer overflow, which potentially can lead to execution of arbitrary code.

6) An integer overflows when parsing and displaying BMP files can potentially be exploited to execute arbitrary code by supplying an overly wide malicious BMP image via a malicious website or in an e-mail.

7) Mozilla allows dragging links to another window or frame. This can e.g be exploited by tricking a user on a malicious website to drag a specially crafted javascript link to another window.

Successful exploitation can cause script code to execute in context of that window. Further exploitation can in combination with another unspecified vulnerability lead to execution of arbitrary code.

8) Signed scripts can request enhanced privileges, which requires that a user accepts a security dialog. The problem is that a malicious website can pass a specially crafted parameter making it possible to manipulate information displayed in the security dialog.

Successful exploitation allows a website to trick users into accepting security dialogs, which will grant access to run arbitrary programs.

9) Some files installed with the Linux installer are group and world writable. This can be exploited by malicious, local users to replace files, which can lead to execution of arbitrary code.

10) Many files and directories in the Linux install ".tar.gz" archives have wrong owner and permissions. This can be exploited by malicious, local users to replace files if the umask is set to be ignored when unpacking.

Successful exploitation can lead to execution of arbitrary code.

These vulnerabilities reportedly affect versions prior to the following:
- Mozilla 1.7.3
- Firefox 1.0PR
- Thunderbird 0.8


Solution:
The vulnerabilities have reportedly been fixed in:

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Georgi Guninski
2) Wladimir Palant
3) Georgi Guninski
4) Gael Delalleau
5) Mats Palmgren and Gael Delalleau
6) Gael Delalleau
7) Jesse Ruderman
8) Jesse Ruderman
9) Daniel Koukola, Andrew Schultz
10) Harald Milz

Original Advisory:
1) http://bugzilla.mozilla.org/show_bug.cgi?id=258005
2) http://bugzilla.mozilla.org/show_bug.cgi?id=257523
3) http://bugzilla.mozilla.org/show_bug.cgi?id=257314
4) http://bugzilla.mozilla.org/show_bug.cgi?id=245066
4) http://bugzilla.mozilla.org/show_bug.cgi?id=226669
5) http://bugzilla.mozilla.org/show_bug.cgi?id=256316
6) http://bugzilla.mozilla.org/show_bug.cgi?id=255067
7) http://bugzilla.mozilla.org/show_bug.cgi?id=250862
8) http://bugzilla.mozilla.org/show_bug.cgi?id=253942
9) http://bugzilla.mozilla.org/show_bug.cgi?id=231083
9) http://bugzilla.mozilla.org/show_bug.cgi?id=235781
10) http://bugzilla.mozilla.org/show_bug.cgi?id=254303

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Mozilla Multiple Vulnerabilities

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