Gentoo: 200304-06 Critical Advisory on Snort Buffer Overflow and DoS
gentoo
April 28, 2003
The Snort stream4 preprocessor (spp_stream4) incorrectlycalculates segment size parameters during stream reassembly for certainsequence number ranges which can lead to an integer o...
Summary
- - --------------------------------------------------------------------- GENTOO LINUX SECURITY ANNOUNCEMENT 200304-06 - - ---------------------------------------------------------------------
- - ---------------------------------------------------------------------
New (and correct) ID and updated CVE link.
- From advisories:
"The Sourcefire Vulnerability Research Team has learned of an integer overflow in the Snort stream4 preprocessor used by the Sourcefire Network Sensor product line. The Snort stream4 preprocessor (spp_stream4) incorrectly calculates segment size parameters during stream reassembly for certain sequence number ranges which can lead to an integer overflow that can be expanded to a heap overflow.
The Snort stream4 flaw may lead to a denial of service (DoS) attack or remote command execution on a host running Snort. This attack can be launched by crafting TCP stream packets and transmitting them over a network segment that is being monitored by a vulnerable Snort...Read the Full Advisory
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PACKAGE : snort
SUMMARY : Multiple Vulnerabilities in Snort Preprocessors DATE : 2003-04-28 07:07 UTC
EXPLOIT : remote
VERSIONS AFFECTED : =snort-2.0.0
CVE : CAN-2003-0209 CAN-2003-0033
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