CVE-2021-0227

An improper restriction of operations within the bounds of a memory buffer vulnerability in Juniper Networks Junos OS J-Web on SRX Series devices allows an attacker to cause Denial of Service DoS by sending certain crafted HTTP packets. Continued receipt and processing of these packets will creat...

PT-2021-3712 · Apache +3 · Apache Http Server +4

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions 2.4.47 mod http2 version 1.15.17 Description: The issue is related to the HTTP/2 protocol handler in the Apache HTTP Server, which checks received request headers against size limitations. If these restrictions are...

nodejs: HTTP2 'unknownProtocol' cause DoS by resource exhaustion

A flaw was found in nodejs. When too many connection attempts with an 'unknownProtocol' are established a leak of file descriptors can occur leading to a potential denial of service. If a file descriptor limit is configured on the system, then the server is unable to accept new connections and...

The vulnerability of the HTTP/2 mechanism implemented in the Apache HTTP Server allows attackers to cause service failures or lead to incorrect server configurations.

The vulnerability of the HTTP/2 web server implementation in the Apache HTTP Server is related to inconsistent interpretation of http requests. Exploiting this vulnerability can allow a malicious actor to cause service failures or lead to incorrect server configuration...

dotnet: ASP.NET Core Callbacks outside of locks cause Krestel deadlock when using HTTP2

A flaw was found in dotnet. Running callbacks outside of locks results in Krestel deadlock using HTTP2. The highest threat from this vulnerability is to system availability...

DEBIAN-CVE-2020-25660

A flaw was found in the Cephx authentication protocol in versions before 15.2.6 and before 14.2.14, where it does not verify Ceph clients correctly and is then vulnerable to replay attacks in Nautilus. This flaw allows an attacker with access to the Ceph cluster network to authenticate with the...

UBUNTU-CVE-2020-25660

A flaw was found in the Cephx authentication protocol in versions before 15.2.6 and before 14.2.14, where it does not verify Ceph clients correctly and is then vulnerable to replay attacks in Nautilus. This flaw allows an attacker with access to the Ceph cluster network to authenticate with the...

haproxy: malformed HTTP/2 requests can lead to out-of-bounds writes

A flaw was found in the way HAProxy processed certain HTTP/2 request packets. This flaw allows an attacker to send crafted HTTP/2 request packets, which cause memory corruption, leading to a crash or potential remote arbitrary code execution with the permissions of the user running HAProxy...

httpd: memory corruption on early pushes

A vulnerability was found in Apache httpd, in modhttp2. Under certain circumstances, HTTP/2 early pushes could lead to memory corruption, causing a server to crash...

httpd: read-after-free in h2 connection shutdown

A read-after-free vulnerability was discovered in Apache httpd, in modhttp2. A specially crafted http/2 client session could cause the server to read memory that was previously freed during connection shutdown, potentially leading to a crash...

Vulnerabilities fixed in Cisco products

Vulnerabilities have been fixed in Cisco products. The vulnerabilities are all in the Cisco Discovery Protocol CDP. The vulnerabilities allow an unauthenticated malicious person using a rogue CDP packet to establish a Denial-of-Service and potentially execute arbitrary code execution. Because CDP...

PT-2020-1610 · Cisco · Cisco Ios Xr

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Description: A vulnerability in the Cisco Discovery Protocol implementation could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected...

PT-2020-1657 · Cisco · Cisco Fxos +3

Name of the Vulnerable Software and Affected Versions: Cisco FXOS Software affected versions not specified Cisco IOS XR Software affected versions not specified Cisco NX-OS Software affected versions not specified Description: A vulnerability in the Cisco Discovery Protocol implementation could...

HTTP/2: flood using PING frames results in unbounded memory growth

A flaw was found in HTTP/2. Using PING frames and queuing of response PING ACK frames, a flood attack could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...

The vulnerability of the HTTP/2 web server protocol of the Apache Traffic Server, a Node.js-based software platform, stems from a lack of resource consumption control mechanisms. This allows attackers to trigger service interruptions.

The vulnerability of the HTTP/2 web server protocol of the Apache Traffic Server, a Node.js-based software platform, is related to errors in the resource consumption control mechanism. Exploiting this vulnerability can allow an attacker to cause service interruptions through a specially crafted...

HTTP/2: flood using PING frames results in unbounded memory growth

A flaw was found in HTTP/2. Using PING frames and queuing of response PING ACK frames, a flood attack could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...

Mozilla: Use-after-free with HTTP/2 cached stream

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

httpd: mod_http2: Too much time allocated to workers, possibly leading to DoS

By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a denial of service. Fixed in Apache HTTP Server 2.4.34 Affected 2.4.18-2.4.30,2.4.33...

httpd: Use-after-free on HTTP/2 stream shutdown

When an HTTP/2 stream was destroyed after being handled, the Apache HTTP Server prior to version 2.4.30 could have written a NULL pointer potentially to an already freed memory. The memory pools maintained by the server make this vulnerability hard to trigger in usual configurations, the reporter...

nginx: Excessive CPU usage via flaw in HTTP/2 implementation

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...