SonyEricsson WAP Push Denial of Service

Risk: High
Local: No
Remote: Yes

CVSS Base Score: 7.8/10
Impact Subscore: 6.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Complete

Security Advisory MSL-2008-001 - SonyEricsson WAP Push Denial of Service Advisory Information -------------------- Title: SonyEricsson WAP Push Denial of Service Advisory ID: MSL-2008-001 Advisory URL: Published: 2009-01-26 Updated: 2009-01-26 Vendor: SonyEricsson Platforms: Multiple Vulnerability Details --------------------- Class: Denial of Service Remote: Yes Local: No Public References: Not Assigned Affected: Multiple devices. Successfully tested on: W910i W660i K618i K610i Z610i K810i K660i W880i K530i Other devices based on the same (or earlier) platform are likely to be vulnerable. Not Affected: More recent devices may be not vulnerable. Description: A malformed WAP Push packet is able to remotely reboot the handset and, in some cases, completely hang it. In case the handset hangs, battery removal is needed in order to restore normal functionalities. By sending multiple malformed packet via SMS, an attacker may be able to reboot the handset multiple times, effectively performing an extended denial of service. The attack can also be performed over an IP bearer using UDP port 2948. In this case a single malformed broadcast packet can be used to attack and disable a large number of devices, leading to a much heavier impact. Solutions & Workaround: Not available Additional Information ---------------------- Vulnerability Status: The issue has been reported to SonyEricsson. Mobile Security Lab is aware that the problem has been identified: some models, more recent than the ones listed in this advisory, have been found not to be vulnerable. Further details are not currently available to Mobile Security Lab. Vendor Statement: None


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