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CVE-2019-16239

Status Candidate

Overview

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

Related Files

Ubuntu Security Notice USN-4565-1
Posted Oct 6, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4565-1 - It was discovered that OpenConnect has a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. An attacker could use it to provoke a denial of service.

tags | advisory, web, denial of service, overflow
systems | linux, ubuntu
advisories | CVE-2019-16239
MD5 | 414bf529f860a809a39b585c211f127f
Debian Security Advisory 4607-1
Posted Jan 20, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4607-1 - Lukas Kupczyk reported a vulnerability in the handling of chunked HTTP in openconnect, an open client for Cisco AnyConnect, Pulse and GlobalProtect VPN. A malicious HTTP server (after having accepted its identity certificate), can provide bogus chunk lengths for chunked HTTP encoding and cause a heap-based buffer overflow.

tags | advisory, web, overflow
systems | cisco, linux, debian
advisories | CVE-2019-16239
MD5 | 6cbb058b70a03ea1bda3ffe2cb05aeaa
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