CVE-2007-3959

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-07-24 · updated 2026-06-16

Description

The IM Server (aka IMserve or IMserver) 2.0.5.30 and probably earlier in Ipswitch Instant Messaging before 2.07 in Ipswitch Collaboration Suite (ICS) allows remote attackers to cause a denial of service (daemon crash) via certain data to TCP port 5179 that overwrites a destructor, as reachable by the (1) DoAttachVideoSender, (2) DoAttachVideoReceiver, (3) DoAttachAudioSender, and (4) DoAttachAudioReceiver functions.

Affected products

Ipswitch Imserver: 2.0.5.30
Ipswitch Collaboration Suite: through 2.07

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=566
http://secunia.com/advisories/26154
http://www.ipswitch.com/support/instant_messaging/patch-upgrades.asp
http://www.securityfocus.com/bid/25031
http://www.securitytracker.com/id?1018440
http://www.vupen.com/english/advisories/2007/2621
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=566
http://secunia.com/advisories/26154
http://www.ipswitch.com/support/instant_messaging/patch-upgrades.asp
http://www.securityfocus.com/bid/25031
http://www.securitytracker.com/id?1018440
http://www.vupen.com/english/advisories/2007/2621

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