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CVSS: 7.5EPSS: 8%CPEs: 1EXPL: 0

Buffer overflow in Yahoo Instant Messenger 5.6.0.1351 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long filename in the download feature. Desbordamiento de búfer en Yahoo Instant Messenger 5.6.0.1351 y anteriores permite que atacantes remotos provoquen una denegación de servicio (caída) y posiblemente ejecuten código arbitrario mediante un nombre de fichero largo en la opción de descarga. • http://lists.grok.org.uk/pipermail/full-disclosure/2004-January/015334.html http://marc.info/?l=bugtraq&m=107357996802255&w=2 http://secunia.com/advisories/10573 http://www.osvdb.org/3437 http://www.securityfocus.com/bid/9383 http://www.securitytracker.com/id?1008651 https://exchange.xforce.ibmcloud.com/vulnerabilities/14171 •

CVSS: 5.8EPSS: 0%CPEs: 3EXPL: 0

The installer in Yahoo! Messenger 4.0, 5.0 and 5.5 does not verify package signatures which could allow remote attackers to install trojan programs via DNS spoofing. • http://cert.uni-stuttgart.de/archive/bugtraq/2002/08/msg00384.html http://www.iss.net/security_center/static/9984.php http://www.securityfocus.com/bid/5579 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 0

Yahoo! Messenger 4.0 sends user passwords in cleartext, which could allow remote attackers to gain privileges of other users via sniffing. • http://marc.info/?l=bugtraq&m=101466489113920&w=2 http://marc.info/?l=bugtraq&m=101467298107635&w=2 http://www.securityfocus.com/bid/4173 •