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Gentoo Linux Security Advisory GLSA 200504-18 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Mozilla Firefox, Mozilla Suite: Multiple vulnerabilities |
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Date: April 19, 2005 |
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Bugs: #89303, #89305 |
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ID: 200504-18 |
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|
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Synopsis |
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======== |
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|
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New Mozilla Firefox and Mozilla Suite releases fix new security |
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vulnerabilities, including memory disclosure and various ways of |
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executing JavaScript code with elevated privileges. |
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|
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Background |
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========== |
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|
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The Mozilla Suite is a popular all-in-one web browser that includes a |
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mail and news reader. Mozilla Firefox is the next-generation browser |
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from the Mozilla project. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 www-client/mozilla-firefox < 1.0.3 >= 1.0.3 |
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2 www-client/mozilla-firefox-bin < 1.0.3 >= 1.0.3 |
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3 www-client/mozilla < 1.7.7 >= 1.7.7 |
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4 www-client/mozilla-bin < 1.7.7 >= 1.7.7 |
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------------------------------------------------------------------- |
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4 affected packages on all of their supported architectures. |
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------------------------------------------------------------------- |
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|
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Description |
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=========== |
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|
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The following vulnerabilities were found and fixed in the Mozilla Suite |
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and Mozilla Firefox: |
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|
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* Vladimir V. Perepelitsa reported a memory disclosure bug in |
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JavaScript's regular expression string replacement when using an |
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anonymous function as the replacement argument (CAN-2005-0989). |
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|
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* moz_bug_r_a4 discovered that Chrome UI code was overly trusting DOM |
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nodes from the content window, allowing privilege escalation via DOM |
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property overrides. |
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|
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* Michael Krax reported a possibility to run JavaScript code with |
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elevated privileges through the use of javascript: favicons. |
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|
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* Michael Krax also discovered that malicious Search plugins could |
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run JavaScript in the context of the displayed page or stealthily |
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replace existing search plugins. |
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|
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* shutdown discovered a technique to pollute the global scope of a |
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window in a way that persists from page to page. |
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|
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* Doron Rosenberg discovered a possibility to run JavaScript with |
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elevated privileges when the user asks to "Show" a blocked popup that |
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contains a JavaScript URL. |
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|
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* Finally, Georgi Guninski reported missing Install object instance |
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checks in the native implementations of XPInstall-related JavaScript |
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objects. |
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|
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The following Firefox-specific vulnerabilities have also been |
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discovered: |
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|
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* Kohei Yoshino discovered a new way to abuse the sidebar panel to |
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execute JavaScript with elevated privileges. |
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|
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* Omar Khan reported that the Plugin Finder Service can be tricked to |
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open javascript: URLs with elevated privileges. |
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|
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Impact |
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====== |
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|
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The various JavaScript execution with elevated privileges issues can be |
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exploited by a remote attacker to install malicious code or steal data. |
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The memory disclosure issue can be used to reveal potentially sensitive |
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information. Finally, the cache pollution issue and search plugin abuse |
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can be leveraged in cross-site-scripting attacks. |
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|
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Workaround |
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========== |
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|
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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|
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All Mozilla Firefox users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=www-client/mozilla-firefox-1.0.3" |
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|
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All Mozilla Firefox binary users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose |
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">=www-client/mozilla-firefox-bin-1.0.3" |
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|
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All Mozilla Suite users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=www-client/mozilla-1.7.7" |
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|
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All Mozilla Suite binary users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=www-client/mozilla-bin-1.7.7" |
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|
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References |
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========== |
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|
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[ 1 ] Mozilla Security Advisories |
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http://www.mozilla.org/projects/security/known-vulnerabilities.html |
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[ 2 ] CAN-2005-0989 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0989 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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http://security.gentoo.org/glsa/glsa-200504-18.xml |
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|
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2005 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.0 |