Published: 17/09/2019 Updated: 07/11/2023

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Vulnerable Product	Search on Vulmon	Subscribe to Product
infradead openconnect
fedoraproject fedora 29
fedoraproject fedora 30
fedoraproject fedora 31
debian debian linux 8.0
debian debian linux 9.0
debian debian linux 10.0
canonical ubuntu linux 18.04
opensuse leap 15.0
opensuse leap 15.1

Debian Bug report logs - #940871 openconnect: CVE-2019-16239: Fix buffer overflow with chunked HTTP handling Package: src:openconnect; Maintainer for src:openconnect is Mike Miller <mtmiller@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 21 Sep 2019 06:36:01 UTC Severity: grave Tags: se ...

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 For the oldstable distrib ...

CWE-120 http://lists.infradead.org/pipermail/openconnect-devel/2019-September/005412.html https://t2.fi/schedule/2019/https://lists.debian.org/debian-lts-announce/2019/10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00061.html https://www.debian.org/security/2020/dsa-4607 https://seclists.org/bugtraq/2020/Jan/31 https://usn.ubuntu.com/4565-1/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WI7ZENFAWCHF2RU4NHPL2CU4WGZ4BNDJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HDMZGNBLZZKAGBI2PNXYWWKLD2LXKFH6/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX56KYWC7X4ETV4P6HGJC7GZUEBITBBS/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=940871 https://nvd.nist.gov https://www.debian.org/security/2020/dsa-4607

CVE-2019-16239

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