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7.5 High

CVE-2019-1635 A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800…

Description

A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability is due to incomplete error handling when XML data within a SIP packet is parsed. An attacker could exploit this vulnerability by sending a SIP packet that contains a malicious XML payload to an affected phone. A successful exploit could allow the attacker to cause the affected phone to reload unexpectedly, resulting in a temporary DoS condition.

Affected products and versions

Product Affected versions Fixed in
Cisco Wireless IP Phone 8821 and 8821-EX Versions not published
Cisco IP Phone 7800 Series and 8800 Series Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco Wireless IP Phone 8821 and 8821-EX

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