Poptop Negative Read Overflow
Severity: HIGH
CVE Identifier: CVE-2003-0213
Advisory Date: FEB 15, 2011
DESCRIPTION
cve: ctrlpacket.c in PoPToP PPTP server before 1.1.4-b3 allows remote attackers to cause a denial of service via a length field of 0 or 1, which causes a negative value to be fed into a read operation, leading to a buffer overflow.
TREND MICRO PROTECTION INFORMATION
Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.
SOLUTION
Trend Micro Deep Security DPI Rule Number: 1001202
Trend Micro Deep Security DPI Rule Name: 1001202 - Identified Suspicious Usage Of Shellcode Encoders
AFFECTED SOFTWARE AND VERSION
- PoPToP PPTP Server 1.0.1
- PoPToP PPTP Server 1.1.2
- PoPToP PPTP Server 1.1.3
- PoPToP PPTP Server 1.1.3 -20021009
- PoPToP PPTP Server 1.1.4 -b1
- PoPToP PPTP Server 1.1.4 -b2
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