CHAT: Yahoo! Messenger File Transfer Filename Spoofing
This signature detects attempts to exploit a known vulnerability in Yahoo Instant Messenger's file transfer method. An attacker can submit a file with a double file extension. This could fool users into downloading malicious content without their knowledge.
Extended Description
A remote download dialogue box spoofing vulnerability affects Yahoo! Messenger. This issue is due to a design error that facilitates the spoofing of file names. An attacker may leverage this issue to spoof downloaded file names to unsuspecting users. This issue may lead to a compromise of the target computer as well as other consequences. It should be noted that although only Yahoo! Messenger version 6.0.0.1750 is reportedly affected; earlier versions may be affected as well.
Affected Products
Yahoo! messenger
Short Name
CHAT:YIM:DOUBLE-EXT
Severity
Minor
Recommended
False
Recommended Action
None
Category
CHAT
Keywords
CVE-2005-0243 File Filename Messenger Spoofing Transfer Yahoo! bid:12587
Release Date
01/17/2008
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3375
False Positive
Unknown
Vendors
Yahoo!
CVSS Score
5.0