Stack overflow

Stack-based buffer overflow in the consoptions function in options.c in dhcpd in OpenBSD 4.0 through 4.2, and some other dhcpd implementations based on ISC dhcp-2, allows remote attackers to execute arbitrary code or cause a denial of service daemon crash via a DHCP request specifying a maximum...

Important: kernel security update

2.6.9-55.0.9.0.1 - fix entropy flag in bnx2 driver to generate entropy pool John Sobecki orabug 5931647 - fix for nfs open call taking longer issue Chuck Lever orabug 5580407 bz 219412 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - fix percpu api bugon with rds Zach...

Moderate: kernel security and bugfix update

2.6.9-55.0.6.0.1 - fix entropy flag in bnx2 driver to generate entropy pool John Sobecki orabug 5931647 - fix for nfs open call taking longer issue Chuck Lever orabug 5580407 bz 219412 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - fix percpu api bugon with rds Zach...

Important: kernel security update

2.6.9-55.0.2.0.1 - fix entropy flag in bnx2 driver to generate entropy pool John Sobecki orabug 5931647 - fix for nfs open call taking longer issue Chuck Lever orabug 5580407 bz 219412 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - fix percpu api bugon with rds Zach...

Microsoft Windows XP2003 - Metafile Escape() Code Execution (Metasploit)

Microsoft Windows XP2003 - Metafile Escape Code Execution Metasploit This file is part of the Metasploit Framework and may be redistributed according to the licenses defined in the Authors field below. In the case of an unknown or missing license, this file defaults to the same license as the cor...

[Full-disclosure] ICMP-based blind performance-degrading attack

Folks, Another trivial ICMP-based attack. We'll use the tool icmp-mtu, available at http://www.gont.com.ar/tools/icmp-attacks We'll perform the blind performance-degrading attack described in http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html as the "Attack against the Path-MTU Discovery...

HPSBTU01210 SSRT4743, SSRT4884 rev.0 - HP Tru64 UNIX TCP/IP remote Denial of Service (DoS)

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 HP SECURITY BULLETIN HPSBTU01210 REVISION: 0 SSRT4743, SSRT4884 rev.0 - HP Tru64 UNIX TCP/IP remote Denial of Service DoS NOTICE: There are no restrictions for distribution of this Security Bulletin provided that it remains complete and intact. The...

CVE-2004-1060

CVE-2004-1060 enables a denial-of-service via forged ICMP PMTU-discovery packets that degrade TCP throughput. Connected advisories show affected BIG-IP products and data-plane components; vulnerable versions include BIG-IP LTM/AAM/AFM/etc. for 10.x–11.x releases (e.g., 11.0.0–11.6.0, 10.0.0–10.2....

CVE-2004-1060: Undefined Security Weakness

Multiple TCP/IP and ICMP implementations, when using Path MTU PMTU discovery PMTUD, allow remote attackers to cause a denial of service network throughput reduction for TCP connections via forged ICMP "Fragmentation Needed and Don't Fragment was Set" packets with a low next-hop MTU value, aka the...

TCP/IP implementations do not adequately validate ICMP error messages

Overview Multiple TCP/IP implementations do not adequately validate ICMP error messages. A remote attacker could cause TCP connections to drop or be degraded using spoofed ICMP error messages. Description A number of widely accepted Internet standards describe different aspects of the relationshi...

Multiple Vendor ICMP Implementation - Malformed Path MTU Denial of Service

source: https://www.securityfocus.com/bid/13124/info Multiple vendor implementations of TCP/IP Internet Control Message Protocol ICMP are reported prone to several denial-of-service attacks. ICMP is employed by network nodes to determine certain automatic actions to take based on network failures...

CVE-2005-0067

Technical details for CVE-2005-0067 (affected software/versions, root cause, impact, and fixes) are not publicly available in the provided Connected documents. Monitor for updates.

CVE-2005-0068

CVE-2005-0068 is attack-based and tied to ICMP handling flaws (forgeable ICMP errors affecting TCP/Path MTU) with related CVEs (2004-0790/0791/1060). Connected documents provide concrete details: ICMP authentication gaps enable denial-of-service via spoofed messages (Destination Unreachable, Sour...

CVE-2005-0065

The original design of TCP does not check that the TCP sequence number in an ICMP error message is within the range of sequence numbers for data that has been sent but not acknowledged aka "TCP sequence number checking", which makes it easier for attackers to forge ICMP error messages for specifi...

CVE-2005-0068: Undefined Security Weakness

The original design of ICMP does not require authentication for host-generated ICMP error messages, which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using 1 blind connection-reset attacks with forged...

CVE-2005-0067: Undefined Security Weakness

The original design of TCP does not require that port numbers be assigned randomly aka "Port randomization", which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using 1 blind connection-reset attacks with...

CVE-2005-0066: Undefined Security Weakness

The original design of TCP does not check that the TCP Acknowledgement number in an ICMP error message generated by an intermediate router is within the range of possible values for data that has already been acknowledged aka "TCP acknowledgement number checking", which makes it easier for...

CVE-2005-0065: Undefined Security Weakness

The original design of TCP does not check that the TCP sequence number in an ICMP error message is within the range of sequence numbers for data that has been sent but not acknowledged aka "TCP sequence number checking", which makes it easier for attackers to forge ICMP error messages for specifi...

CVE-2004-0257

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service crash by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port...

CVE-2004-0257

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service crash by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port...