A vulnerability in the implementation of the Short Message Service (SMS) handling functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to improper processing of SMS protocol data units (PDUs) that are encoded with a special character set. An attacker could exploit this vulnerability by sending a malicious SMS message to an affected device. A successful exploit could allow the attacker to cause the wireless WAN (WWAN) cellular interface module on an affected device to crash, resulting in a DoS condition that would require manual intervention to restore normal operating conditions.
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History
Tue, 19 Nov 2024 20:15:00 +0000
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Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2024-11-19T19:13:22.995Z
Reserved: 2018-12-06T00:00:00
Link: CVE-2019-1747
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Updated: 2024-08-04T18:28:42.027Z
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Status : Modified
Published: 2019-03-28T00:29:00.623
Modified: 2024-11-21T04:37:16.173
Link: CVE-2019-1747
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