The vulnerabilities in the modules net/ipv4/ip_gre.c and net/ipv6/ip6_gre.c of the Linux kernel allow a hacker to cause a service failure.

The vulnerability in the net/ipv4/ipgre.c and net/ipv6/ip6gre.c modules of the Linux kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause service failures...

The vulnerability of the Packet Forwarding Engine (PFE) module in Junos OS routers of the MX series allows a hacker to cause a service failure.

The vulnerability of the Packet Forwarding Engine PFE module in Junos OS routers of the MX series is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability can allow a malicious actor to trigger a service failure by sending specially crafted GRE packets...

CVE-2024-7595 GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet

GRE and GRE6 Protocols RFC2784 do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors. This can be considered simil...

PT-2024-21595

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.8.0-rc4+ Description A vulnerability in the Linux kernel has been resolved, related to the handling of pages from page pool in the esp output function. When the skb is reorganized during esp output, the pages...

Design/Logic Flaw

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service DoS condition. This vulnerability is due to the improper handling of large...

CVE-2023-20072 Cisco IOS XE Software Fragmented Tunnel Protocol Packet Denial of Service Vulnerability

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service DoS condition. This vulnerability is due to the improper handling of large...

CVE-2023-20072

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service DoS condition. This vulnerability is due to the improper handling of large...

Cisco IOS XE Software Fragmented Tunnel Protocol Packet Denial of Service Vulnerability

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service DoS condition. This vulnerability is due to the improper handling of large...

SUSE CVE-2005-1278

The isisprint function, as called by isoclnsprint, in tcpdump 3.9.1 and earlier allows remote attackers to cause a denial of service infinite loop via a zero length, as demonstrated using a GRE packet...

SUSE CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

SUSE CVE-2016-8666

The IP stack in the Linux kernel before 4.6 allows remote attackers to cause a denial of service stack consumption and panic or possibly have unspecified other impact by triggering use of the GRO path for packets with tunnel stacking, as demonstrated by interleaved IPv4 headers and GRE headers, a...

Design/Logic Flaw

A vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to a memory handling err...

Cisco Firepower Threat Defense Software Generic Routing Encapsulation DoS (cisco-sa-ftd-gre-dos-hmedHQPM)

According to its self-reported version, Cisco FTD Software is affected by a denial of service vulnerability. An unauthenticated, remote attacker can exploit this, by sending a crafted GRE payload through an affected device, to cause the affected device to restart. Please see the included Cisco BI...

Cisco Firepower Threat Defense 缓冲区错误漏洞

Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services. A buffer error vulnerability exists in Cisco Firepower Threat Defense FTD Software, which stems from a memory processing error in its Generic Routing Encapsulation GRE...

PT-2022-6019 · Cisco · Cisco Ftd

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense FTD Software affected versions not specified Description: A memory handling error in the generic routing encapsulation GRE tunnel decapsulation feature could allow an unauthenticated, remote attacker to cause a...

The vulnerability of the Generic Routing Encapsulation (GRE) protocol in Cisco Firepower Threat Defense (FTD) allows a attacker to cause a service failure.

The vulnerability of the Generic Routing Encapsulation GRE protocol in Cisco Firepower Threat Defense FTD is related to a memory reclamation error. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2020-3179

A vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to a memory handling erro...

CVE-2020-3179 Cisco Firepower Threat Defense Software Generic Routing Encapsulation Tunnel IPv6 Denial of Service Vulnerability

A vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to a memory handling erro...

CVE-2019-15261

A vulnerability in the Point-to-Point Tunneling Protocol PPTP VPN packet processing functionality in Cisco Aironet Access Points APs could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability is due to...

The vulnerability of the ip6gre_err function in the Linux operating system, which allows a hacker to exert undefined effects

The vulnerability of the ip6greerr function in the Linux operating system is related to reading beyond the buffer boundaries. Exploiting this vulnerability can allow a remote attacker to exert unpredictable effects using vectors that include GRE flags in IPv6 packets...