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GEN:SID | 1:1832 |
Message | CHAT ICQ forced user addition |
Summary | This event is generated when activity relating to network chat clients is detected. |
Impact | Policy Violation. Use of chat clients to communicate with unkown external sources may be against the policy of many organizations. |
Detailed Information | Instant Messaging (IM) and other chat related client software can allow users to transfer files directly between hosts. This can allow malicious users to circumvent the protection offered by a network firewall. Vulnerabilities in these clients may also allow remote attackers to gain unauthorized access to a host. This events indicates that an attempt has been made to add a user to the contact list of Mirabilis' ICQ client via a specially crafted URI on a website. Certain versions of Mirabilis' ICQ client do not require user intervention before adding another ICQ user to the contact list. It is possible for a client to be added to the contact list via a specially crafted URI without the user's knowledge. |
Affected Systems | |
Attack Scenarios | An attacker might utilize this vulnerability in the ICQ client to gain access to a host, then upload a Trojan Horse program to gain control of that host. |
Ease of Attack | Simple. |
Corrective Action | Disallow the use of IM clients on the protected network and enforce or implement an organization wide policy on the use of IM clients. |
Additional References | |
Rule References | bugtraq: 3226 cve: 2001-1305 |
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DID:677677
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