Vulnerability CVE-2007-4553
Published: 2007-08-27   Modified: 2012-02-12

Description:
The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via an INVITE message with a Via header that contains a '/' (slash) instead of the required space following the SIP version number.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
DOS vulnerability on Thomson SIP phone ST 2030 using the VIA Header
Humberto J. Abde...
31.08.2007

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Thomson -> St 2030 sip phone 

 References:
http://xforce.iss.net/xforce/xfdb/36217
http://www.vupen.com/english/advisories/2007/2988
http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065433.html
http://www.securitytracker.com/id?1018603
http://www.securityfocus.com/bid/25446
http://securityreason.com/securityalert/3075
http://secunia.com/advisories/26587
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