CVE-2020-13943

If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection in violation of the HTTP/2 protocol, it was possible that a subsequent request made on that connection could...

Fixed in Apache Tomcat 8.5.58

Moderate: HTTP/2 request mix-up CVE-2020-13943 If an HTTP/2 client exceeded the agreed maximum number of concurrent streams for a connection in violation of the HTTP/2 protocol, it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo...

EulerOS Virtualization for ARM 64 3.0.3.0 : haproxy (EulerOS-SA-2019-2329)

According to the versions of the haproxy package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds read in dnsvalidatednsresponse in dns.c was discovered in HAProxy through 1.8.14. Due to a missing...

CVE-2019-10079

Apache Traffic Server is vulnerable to HTTP/2 setting flood attacks. Earlier versions of Apache Traffic Server didn't limit the number of setting frames sent from the client using the HTTP/2 protocol. Users should upgrade to Apache Traffic Server 7.1.7, 8.0.4, or later versions...

RHEL 8 : nodejs:10 (RHSA-2019:2925)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2925 advisory. Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. The...

UPDATE: Merlin v0.8.0

PenTestIT RSS Feed A week ago an update - Merlin v0.8.0 was released. There was a brief mention about Merlin in my post titled - List of Open Source C2 Post-Exploitation Frameworks. This new version includes several new features to increase Operations Security OPSEC and usability. One of the more...

KB4512501: Windows 10 Version 1803 August 2019 Security Update

The remote Windows host is missing security update 4512501. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call ALPC. An attacker who successfully exploited this...

KB4512507: Windows 10 Version 1703 August 2019 Security Update

The remote Windows host is missing security update 4512507. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call ALPC. An attacker who successfully exploited this...

KB4512508: Windows 10 Version 1903 August 2019 Security Update

The remote Windows host is missing security update 4512508. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability exists in the way that the Windows kernel image handles objects in memory. An attacker who successfully exploited the vulnerability could...

www/varnish7 -- Denial of Service

The Varnish Development Team reports: A denial of service attack can be performed on Varnish Cacher servers that have the HTTP/2 protocol turned on. An attacker can let the servers HTTP/2 connection control flow window run out of credits indefinitely and prevent progress in the processing of...

CVE-2018-20615

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-check...

Cross site scripting

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-check...

CVE-2018-20615

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-check...

CVE-2018-20615

An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-check...

Security Bulletin: A vulnerability in the Firefox component of the Synthetic Playback agent affects IBM Performance Management products.

Summary Multiple browsers could allow a remote attacker to obtain sensitive information, caused by the failure to consider the role of the TCP congestion window in providing information about content length by the HTTPS protocol or by the HTTP/2 protocol. By visiting a Web site owned by a malicio...

CVE-2016-7153

CVE-2016-7153 describes a vulnerability in the HTTP/2 protocol where the TCP congestion window is not considered when determining content length, potentially enabling an attacker to obtain cleartext data by leveraging a web browser configuration that sends third‑party cookies (HEIST). The connect...

4 Flaws hit HTTP/2 Protocol that could allow Hackers to Disrupt Servers

If you think that the HTTP/2 protocol is more secure than the standard HTTP Hypertext Transfer Protocol, then you might be wrong, as it took researchers just four months to discover four flaws in the HTTP/2 protocol. HTTP/2 was launched properly just in May last year after Google bundled its SPDY...

Important: Red Hat Security Advisory: httpd24-httpd security update

An update for httpd24-httpd is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

CVE-2016-4979

A flaw was found in the way httpd performed client authentication using X.509 client certificates. When the HTTP/2 protocol was enabled, a remote attacker could use this flaw to access resources protected by certificate authentication without providing a valid client certificate...