J-Security Center

Title: Microsoft IIS 4.0 ISAPI Buffer Overflow Vulnerability

Severity: MODERATE

Description:

The ASP ISAPI file parser does not properly execute certain malformed ASP files that contain scripts with the LANGUAGE parameter containing a buffer of over 2200 characters and have the RUNAT value set as 'server'. Depending on the data entered into the buffer, a denial of service attack could be launched or arbitrary code could be executed under the SYSTEM privilege level in the event that a malicious ASP file were locally executed on IIS.

Affected Products:

  • Cisco Building Broadband Service Manager 5.0.0
  • Cisco Call Manager 1.0.0
  • Cisco Call Manager 2.0.0
  • Cisco Call Manager 3.0.0
  • Cisco ICS 7750
  • Cisco IP/VC 3540 Video Rate Matching Module
  • Cisco Unity Server 2.0.0
  • Cisco Unity Server 2.2.0
  • Cisco Unity Server 2.3.0
  • Cisco Unity Server 2.4.0
  • Cisco uOne 1.0.0
  • Cisco uOne 2.0.0
  • Cisco uOne 3.0.0
  • Cisco uOne 4.0.0
  • Microsoft BackOffice 4.0
  • Microsoft BackOffice 4.5
  • Microsoft IIS 4.0
  • Microsoft Windows NT 4.0 Option Pack

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