The vulnerability of the __fib6_rule_action() function in the Linux operating system’s IPv6 kernel implementation allows a hacker to induce a service failure.

The vulnerability of the fib6ruleaction function in the net/ipv6/fib6rules.c module of the Linux operating system’s IPv6 kernel implementation is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to cause a service failure remotely...

OpenSSL 0.9.7 < 0.9.7h Vulnerability

The version of OpenSSL installed on the remote host is prior to 0.9.7h. It is, therefore, affected by a vulnerability as referenced in the 0.9.7h advisory. - The SSL/TLS server implementation in OpenSSL 0.9.7 before 0.9.7h and 0.9.8 before 0.9.8a, when using the SSLOPMSIESSLV2RSAPADDING option,...

SUSE CVE-2021-47572

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we try to add an IPv6 nexthop and IPv6 is not enabled !CONFIGIPV6 we'll hit a NULL pointer dereference1 in the error path of nhcreateipv6 due to calling...

SUSE CVE-2021-47291

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix another slab-out-of-bounds in fib6nhflushexceptions While running the self-tests on a KASAN enabled kernel, I observed a slab-out-of-bounds splat very similar to the one reported in commit 821bbf79fe46 "ipv6: Fix KASAN:...

kernel: ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU

A flaw in the routing table size was found in the ICMPv6 handling of "Packet Too Big". The size of the routing table is regulated by periodic garbage collection. However, with "Packet Too Big Messages" it is possible to exceed the routing table size and garbage collector threshold. A user located...

Mozilla: Denial of Service using HTTP/2 CONTINUATION frames

The Mozilla Foundation Security Advisory describes this flaw as: There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser...

DEBIAN-CVE-2021-47109

In the Linux kernel, the following vulnerability has been resolved: neighbour: allow NUDNOARP entries to be forced GCed IFFPOINTOPOINT interfaces use NUDNOARP entries for IPv6. It's possible to fill up the neighbour table with enough entries that it will overflow for valid connections after that...

edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message

A security weakness was identified in EDK2, the open-source reference implementation of the UEFI specification, revealing a buffer overflow vulnerability. This vulnerability enables an unauthorized attacker within proximity on the network to transmit a specifically crafted DHCPv6 Advertise messag...

Important: edk2

Issue Overview: EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IANA or IATA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality...

DEBIAN-CVE-2023-52478

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidppconnectevent has four time-of-check vs time-of-use TOCTOU races when it races with itself. hidppconnectevent primarily runs from a workqueue but it also runs o...

Denial Of Service (DoS)

github.com/envoyproxy/envoy is vulnerability to Denial Of Service DoS. The vulnerability is due to instances with Proxy Protocol version 2 PPv2 enabled on both a listener and a subsequent cluster. When the downstream request has a command type of LOCAL and lacks the protocol block, attempting to...

golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

PT-2024-2770 · Envoy +1 · Envoy +1

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.26.7 Envoy versions prior to 1.27.3 Envoy versions prior to 1.28.1 Envoy versions prior to 1.29.1 Description: The issue is related to pointer dereference errors in the Envoy proxy server. Exploitation of this issue...

kernel: data races around sk->sk_prot

A data race problem was found in sk-skprot in the network subsystem in ipv6 in the Linux kernel. This issue occurs while some functions access critical data, leading to a denial of service...

DEBIAN-CVE-2023-45235

EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or...

DEBIAN-CVE-2023-45230

EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability...

AZL-39106 CVE-2023-45230 affecting package edk2 for versions less than 20230301gitf80f052277c8-40

EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability...

SUSE CVE-2023-49081

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Improper validation made it possible for an attacker to modify the HTTP request e.g. to insert a new header or create a new HTTP request if the attacker controls the HTTP version. The vulnerability only occurs if the...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...