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Cisco Unified CallManager / Presence Server ICMP Echo og IPSec Denial of Service Advisory Available in English  Advisory Available in German 

Secunia Advisory: SA24690  
Udsendt: 2007-03-29
Sidste Opdt.: 2007-04-03

Kritisk:
Moderat kritisk
Betydning: DoS
Hvor: Fra Internet
Løsning Status: Producent Patch

Software:Cisco Unified CallManager 5.x
Cisco Unified Communications Manager 5.x
Cisco Unified Presence Server 1.x

CVE reference:CVE-2007-1826 (Secunia mirror)
CVE-2007-1834 (Secunia mirror)

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Beskrivelse:
Der er rapporteret nogle sårbarheder i Cisco Unified CallManager (CUCM) og Cisco Unified Presence Server (CUPS), som kan udnyttes af ondsindede personer til at udføre et DoS (Denial of Service).

1) En uspecificeret fejl under håndteringen af ICMP echo-pakker kan udnyttes til at crashe diverse services ved at sende en stor mængde ICMP Echo-pakker til en sårbar enhed.

2) En uspecificeret fejl i IPSec Manager servicen kan f.eks. udnyttes til at stoppe visse servicen som call-forwarding ved at sende et specielt udformet UDP-datagram til port 8500.

Sårbarhederne er rapporteret i CUCM 5.0 versioner tidligere end 5.0(4a)SU1 samt CUPS 1.0 versioner tidligere end 1.0(3).

Løsning:
Installér opdateret software.

CUCM 5.0:
Opdatér til CUCM 5.0(4a)SU1.
http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-50?psrtdcat20e2

CUPS 1.0:
Opdatér til CUPS 1.0(3).
http://www.cisco.com/pcgi-bin/tablebuild.pl/cups-10?psrtdcat20e2

Rapporteret af / Kredit:
Rapporteret af producenten.

Forløb:
03-04-2007: Tilføjede CVE-reference.

Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml

Andre Kilder:
http://www.cisco.com/en/US/products/p...ligence_response09186a008080f193.html



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

13 Relaterede Secunia Advisories, displaying 10

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