Mozilla and Netscape Web browsers could allow an attacker to steal cookie-based authentication information
| mozilla-netscape-steal-cookies (7973) |  Low Risk |
Description:
Mozilla could allow a remote attacker to steal cookie-based authentication credentials. A remote attacker could create a specially-crafted URL link containing a null byte character string (%00) that would cause the victim's cookie information to be sent to a specified hostname once the link is clicked. An attacker could exploit this vulnerability by using HTML or Web-based email or by creating a malicious Web page.
Safari versions 1.0 v85 through 1.1 v100.1 are also affected by this vulnerability.
Consequences:
Obtain Information
Remedy:
For Mozilla 0.9.6 and earlier:
Upgrade to the latest version of Mozilla (0.9.7 or later), available from the Mozilla.org Web site. See References.
For Netscape 6.2 and earlier:
Upgrade to the latest version of Netscape (6.2.1 or later), available from the Netscape Web site. See References.
For Safari versions 1.0 v85 through 1.1 v100.1:
Upgrade to the latest version of Safari (1.1.1 (v100.1) or later), available from the Apple Computer, Inc. Web site. See References.
For HP-UX 11.00, 11.11, 11.22, 11.23:
Apply the appropriate patch for this vulnerability, as listed in Hewlett-Packard Security Bulletin HPSBUX0202-182. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Apple Computer, Inc. Web site: Apple.
- BugTraq Mailing List, Fri Dec 05 2003 - 13:29:58 CST: Re: Apple Safari 1.1 (v100).
- BugTraq Mailing List, Mon Jan 21 2002 - 23:10:37 CST: Mozilla Cookie Exploit.
- BugTraq Mailing List, Thu Nov 20 2003 - 19:04:54 CST: Re: Apple Safari 1.1 (v100).
- BugTraq Mailing List, Tue Nov 18 2003 - 11:28:33 CST: Apple Safari 1.1 (v100).
- CIAC Information Bulletin O-170: HP-UX Netscape Vulnerabilities.
- Mozilla.org Web site: Releases.
- Netscape Web site: Netscape Products - Download.
- BID-10635: HP-UX Netscape Browser Multiple Vulnerabilities
- BID-3925: Netscape/Mozilla Null Character Cookie Stealing Vulnerability
- BID-9065: Apple Safari Web Browser Null Character Cookie Stealing Vulnerability
- CVE-2002-2013: Mozilla 0.9.6 and earlier and Netscape 6.2 and earlier allows remote attackers to steal cookies from another domain via a link with a hex-encoded null character (%00) followed by the target domain.
- CVE-2003-0975: Apple Safari 1.0 through 1.1 on Mac OS X 10.3.1 and Mac OS X 10.2.8 allows remote attackers to steal user cookies from another domain via a link with a hex-encoded null character (%00) followed by the target domain.
Platforms Affected:
- Apple Safari 1.0
- Apple Safari 1.1
- Mozilla Mozilla 0.8
- Mozilla Mozilla 0.9.2
- Mozilla Mozilla 0.9.2.1
- Mozilla Mozilla 0.9.3
- Mozilla Mozilla 0.9.4
- Mozilla Mozilla 0.9.4.1
- Mozilla Mozilla 0.9.5
- Mozilla Mozilla 0.9.6
- Netscape Communicator 6.0
- Netscape Communicator 6.0.1
- Netscape Communicator 6.1
- Netscape Communicator 6.2
Reported:
Jan 21, 2002
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