Cisco CallManager and OpenSER SIP call hijacking

callmanager-openser-sip-call-hijacking (37197) The risk level is classified as MediumMedium Risk

Description:

Cisco CallManager and OpenSER could allow a remote attacker to hijack calls, caused by the improper handling of SIP messages. By sending a specially-crafted request for a URI containing a sniffed authentication header, a remote attacker who can sniff the traffic could exploit this vulnerability to hijack the victim's call.

Platforms Affected:

  • Cisco, CallManager 5.1.1.3000.5

Remedy:

For OpenSER:
Apply the fix for this vulnerability, available from the OpenSER SVN Repository. See References.

Consequences:

Gain Access

References:

Reported:

Oct 12, 2007

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