3670 matches found
Cisco IOS Interface Blocked by IPv4 Packets
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Cisco IOS Malicious IPV4 Packet Sequence Denial Of Service Vulnerability
Description A denial of service vulnerability has been reported to exist in all hardware platforms that run Cisco IOS versions 11.x through 12.x. This issue may be triggered by a sequence of specifically crafted IPV4 packets. A power cycling of an affected device is required to regain normal...
CVE-2002-0414
Affected software: KAME-derived IPsec implementations on NetBSD 1.5.2, FreeBSD 4.5, and other OSes. Vulnerability: the implementation does not properly consult the Security Policy Database (SPD), which can allow a Security Gateway (SG) that does not use Encapsulating Security Payload (ESP) to for...
CVE-2002-0414
KAME-derived implementations of IPsec on NetBSD 1.5.2, FreeBSD 4.5, and other operating systems, does not properly consult the Security Policy Database SPD, which could cause a Security Gateway SG that does not use Encapsulating Security Payload ESP to forward forged IPv4 packets...
BSD: IPv4 forwarding doesn't consult inbound SPD in KAME-derived IPsec
IPv4 forwarding doesn't consult inbound SPD in KAME-derived IPsec Greg Troxel [email protected] Bill Chiarchiaro [email protected] 2002-02-24 SUMMARY NetBSD 1.5.2 and -current, FreeBSD 4.5 and -current, and the KAME versions of NetBSD and FreeBSD fail to perform inbound policy checks on packets...
Security Advisory FreeBSD-SA-01:52.fragment
-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-01:52 Security Advisory FreeBSD, Inc. Topic: Denial of service using fragmented IPv4 packets Category: kernel Announced: 2001-08-06 Credits: "James Thomas" via NetBSD Affect...
CVE-2001-0284
The CVE-2001-0284 entry describes a buffer overflow in the IPSEC authentication mechanism for OpenBSD 2.8 and earlier. The underlying issue is in the IPSEC AH (IPv4 option) processing, allowing remote attackers to cause a denial of service and potentially execute arbitrary commands via a malforme...
FreeBSD 3.x/4.x - 'ipfw' Filtering Evasion
source: www.securityfocus.com/bid/2293/info There exists a serious vulnerability in FreeBSD's implementation of packet filtering for IPv4 and IPv6. The vulnerability exists in situations where a filtering rule permits packets through if they are part of an established connection. It is possible f...
