Kaspersky Antivirus content filtering protection bypass

Small reassembly timeout during stateful filtering allows filtering bypass by breaking stream with pauses...

CVE-2006-0839

The frag3 preprocessor in Sourcefire Snort 2.4.3 does not properly reassemble certain fragmented packets with IP options, which allows remote attackers to evade detection of certain attacks, possibly related to IP option lengths...

honeyd security advisory: remote detection

Honeyd Security Advisory 2006-001 ================================= Topic: Remote Detection Via Multiple Probe Packets Version: All versions prior to Honeyd 1.5 Severity: Identification of Honeyd installations allows an adversary to launch attacks specifically against Honeyd. No remote root explo...

Using timing attacks to bypass intrusion detection

It's possible to use difference in timing, for example packet reasembly timeouts, of target system and IDS to bypass detection. As workaround, timing parameters of IDS should be configured to match timing parameters of protected system...

CVE-2005-3242

Ethereal 0.10.12 and earlier allows remote attackers to cause a denial of service crash via unknown vectors in 1 the IrDA dissector and 2 the SMB dissector when SMB transaction payload reassembly is enabled...

security flaw

Ethereal 0.10.12 and earlier allows remote attackers to cause a denial of service crash via unknown vectors in 1 the IrDA dissector and 2 the SMB dissector when SMB transaction payload reassembly is enabled...

PT-2005-4056 · Ethereal +1 · Ethereal +1

Name of the Vulnerable Software and Affected Versions: Ethereal versions 0.10.12 and earlier Description: The issue allows remote attackers to cause a denial of service, resulting in a crash, via unknown vectors in the IrDA dissector and the SMB dissector when SMB transaction payload reassembly i...

security flaw

Netfilter in the Linux kernel 2.6.8.1 allows local users to cause a denial of service memory consumption via certain packet fragments that are reassembled twice, which causes a data structure to be allocated twice...

security flaw

Unknown vulnerability several dissectors in Ethereal 0.9.0 through 0.10.11 allows remote attackers to cause a denial of service application crash by reassembling certain packets...

CVE-2005-2362

Unknown vulnerability several dissectors in Ethereal 0.9.0 through 0.10.11 allows remote attackers to cause a denial of service application crash by reassembling certain packets...

PT-2005-3277 · Ethereal +1 · Ethereal +1

Name of the Vulnerable Software and Affected Versions: Ethereal versions 0.9.0 through 0.10.11 Description: The issue allows remote attackers to cause a denial of service, resulting in an application crash, by reassembling certain packets. This is due to an unknown vulnerability in several...

CVE-2005-0210

Netfilter in the Linux kernel 2.6.8.1 allows local users to cause a denial of service memory consumption via certain packet fragments that are reassembled twice, which causes a data structure to be allocated twice...

security flaw

Netfilter in the Linux kernel 2.6.8.1 allows local users to cause a denial of service memory consumption via certain packet fragments that are reassembled twice, which causes a data structure to be allocated twice...

ROSE Attack (variation 2)

Exploit for unknown platform in category dos / poc ========================= ROSE Attack variation 2 ========================= / ROSE attack variation 2 chuck at lemure.net Discovered by: gandalf at digital.net code modified from large IGMP attack by: Kox by Coolio coolio at k-r4d.com Sends out...

FreeBSD fails to limit number of TCP segments held in reassembly queue

Overview FreeBSD fails to limit the number of TCP segments held in a reassembly queue which could allow an attacker to exhaust all available memory buffers mbufs on the destination system resulting in a denial-of-service condition. Description The Transmission Control Protocol TCP is part of the...

Libnids: remote code execution vulnerability

Background Libnids is a component of a network intrusion detection system. Description There is a bug in the part of libnids code responsible for TCP reassembly. The flaw probably allows remote code execution. Impact A remote attacker could possibly execute arbitrary code. Workaround There is no...

CVE-2003-0850

The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."...

Libnids <= 1.17 buffer overflow

Hello, Libnids is a library which implements the functionality of NIDS E-component. Libnids provides IP defragmentation, TCP stream reassembly and port scan detection. Robert Watson [email protected] has found a bug in the part of libnids code responsible for TCP reassembly. The flaw probably...

libnids buffer overflow

Buffer overflow in TCP packet reassembly...

CVE-2003-0850

CVE-2003-0850 affects libnids prior to 1.18, where the TCP reassembly code can be triggered by overlarge TCP packets, leading to memory corruption and potential remote code execution. Public advisories note a remote vulnerability in libnids and recommend upgrading to libnids 1.18 or newer (e.g., ...