HTTP Desync Attacks in the Wild and How to Defend Against Them

Inspired by an article by Watchfire from 2005, we recently explored an old attack technique named HTTP Request Smuggling and checked it against our WAF protection. By coincidence, it turned out someone else was also exploring this technique at the same time. Given the hype it received as a result...

openSUSE Security Update : openconnect (openSUSE-2019-2388)

This update for openconnect fixes the following issues : - CVE-2019-16239: Fixed a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. bsc1151178 This update was imported from the SUSE:SLE-15:Update update project. %NASLMINLEVEL 70300 C Tenable Network...

OPENSUSE-SU-2019:2388-1 Security update for openconnect

This update for openconnect fixes the following issues: - CVE-2019-16239: Fixed a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. bsc1151178 This update was imported from the SUSE:SLE-15:Update update project...

OPENSUSE-SU-2019:2385-1 Security update for openconnect

This update for openconnect fixes the following issues: - CVE-2019-16239: Fixed a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. bsc1151178 This update was imported from the SUSE:SLE-15:Update update project...

Security update for openconnect (moderate)

openSUSE Security Update: Security update for openconnect Announcement ID: openSUSE-SU-2019:2388-1 Rating: moderate References: 1151178 Cross-References: CVE-2019-16239 Affected Products: openSUSE Leap 15.0 An update that fixes one vulnerability is now available. Description: This update for...

Security update for openconnect (moderate)

openSUSE Security Update: Security update for openconnect Announcement ID: openSUSE-SU-2019:2385-1 Rating: moderate References: 1151178 Cross-References: CVE-2019-16239 Affected Products: openSUSE Leap 15.1 An update that fixes one vulnerability is now available. Description: This update for...

UBUNTU-CVE-2019-18277

A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the "chunked" value were not being correctly rejected. The impact was limited but if combined with the "http-reuse always" setting, it could be used to help construct an HTTP request...

SUSE SLED12 Security Update : openconnect (SUSE-SU-2019:2744-1)

This update for openconnect fixes the following issues : CVE-2019-16239: Fixed a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. bsc1151178 Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security...

SUSE-SU-2019:2744-1 Security update for openconnect

This update for openconnect fixes the following issues: - CVE-2019-16239: Fixed a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. bsc1151178...

Chunked Transmission Bypass Vulnerability in Netnifty Web Application Security Protection System

Beijing Netnifty Information Technology Co., Ltd. was renamed from Lenovo Netnifty Technology Beijing Co., Ltd. which was formerly known as Lenovo Group's Information Security Division. A chunked transmission bypass vulnerability exists in the NetGuard Web Application Security Protection System,...

CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

DEBIAN-CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

Buffer overflow

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

UBUNTU-CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

CVE-2019-16239

processhttpresponse in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes...

PT-2019-4779 · Openconnect +3 · Openconnect +3

Name of the Vulnerable Software and Affected Versions: OpenConnect versions prior to 8.05 Description: The issue is related to a buffer overflow in the process http response function when handling HTTP chunked encoding with crafted chunk sizes. This could allow a remote attacker to gain...

Denial of Service

Overview Versions of @hapi/subtext prior to 6.1.2 are vulnerable to Denial of Service DoS. The package fails to enforce the maxBytes configuration for payloads with chunked encoding that are written to the file system. This allows attackers to send requests with arbitrary payload sizes, which may...