ICQ automatically adds user using "Content-Type"
| icq-auto-add-user (7028) |  Medium Risk |
Description:
ICQ 2000 and Microsoft Internet Explorer could allow a malicious Web site to be automatically added to a contact list, caused by a vulnerability when adding 'Content-Type'. A malicious Web site operator could create a Web page containing arbitrary code, which returns an 'application/x-icq' Content-Type and automatically adds arbitrary UINs to the contact list. An attacker can use this vulnerability to obtain valid email addresses.
Consequences:
Gain Access
Remedy:
No remedy available as of July 6, 2008.
References:
- Black Sun Research Facility Web site: The ICQ Security Tutorial.
- BugTraq Mailing List, Fri Aug 24 2001 - 08:36:20 CDT: Re: Hexyn / Securax Advisory #22 - ICQ Forced Auto-Add Users.
- BugTraq Mailing List, Fri Aug 24 2001 - 12:36:24 CDT: RE: Hexyn / Securax Advisory #22 - ICQ Forced Auto-Add Users.
- BugTraq Mailing List, Fri Aug 24 2001 - 23:13:19 CDT: RE: Hexyn / Securax Advisory #22 - ICQ Forced Auto-Add Users.
- BugTraq Mailing List, Wed Aug 22 2001 - 17:14:10 CDT: Hexyn / Securax Advisory #22 - ICQ Forced Auto-Add Users.
- Insecure.org: ICQ Spoofing.
- BID-3226: ICQ Forced User Addition Vulnerability
- CVE-2001-1305: ICQ 2001a Alpha and earlier allows remote attackers to automatically add arbitrary UINs to an ICQ user's contact list via a URL to a web page with a Content-Type of application/x-icq, which is processed by Internet Explorer.
- OSVDB ID: 9545: ICQ Content-Type Forced UIN Approval
Platforms Affected:
- ICQ ICQ 2000
Reported:
Aug 17, 2001
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