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Short Name

VOIP:SIP:DOUBLE-ENCODING

Severity

Medium

Recommended

No

Category

VOIP

Keywords

DOUBLE ENCODE Codenomicon Case 18484, 18644, 18834, 18842

Release Date

2006/08/30

Update Number

1213

Supported Platforms

idp-4.0.110090709+, isg-3.1.134269+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+

SIP: Double-Encoded Parameter


This protocol anomaly triggers on a Session Initiation Protocol (SIP) double encoded parameter. Attackers can encode parameters more than once to bypass security checks in gateways or it can indicate a denial-of-service attack.

Extended Description

None

References

  • URL: http://www.codenomicon.com/products/telecommunications/sip/
  • URL: http://ietfreport.isoc.org/idref/rfc2822/
  • URL: http://ietfreport.isoc.org/idref/rfc3261/

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