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. (bsc#1151178)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Update to 8.05 release (CVE-2019-16239)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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.

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. (bsc#1151178)

This update was imported from the SUSE:SLE-15:Update update project.

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4565-1 advisory.

  - process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP     chunked encoding with crafted chunk sizes. (CVE-2019-16239)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

A vulnerability was discovered by Lukas Kupczyk of the Advanced Research Team at CrowdStrike Intelligence in OpenConnect, an open client for Cisco AnyConnect, Pulse, GlobalProtect VPN. A malicious HTTP server (after its identity certificate has been accepted) can provide bogus chunk lengths for chunked HTTP encoding and cause a heap overflow.

For Debian 8 'Jessie', this problem has been fixed in version 6.00-2+deb8u1.

We recommend that you upgrade your openconnect packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
130162	SUSE SLED15 / SLES15 Security Update : openconnect (SUSE-SU-2019:2737-1)	Nessus	SuSE Local Security Checks	10/23/2019	4/17/2024	critical
129080	Fedora 29 : openconnect (2019-4c0d6e1784)	Nessus	Fedora Local Security Checks	9/20/2019	4/24/2024	critical
133110	Debian DSA-4607-1 : openconnect - security update	Nessus	Debian Local Security Checks	1/21/2020	3/29/2024	critical
129624	Fedora 31 : openconnect (2019-6969467639)	Nessus	Fedora Local Security Checks	10/7/2019	4/19/2024	critical
130335	openSUSE Security Update : openconnect (openSUSE-2019-2385)	Nessus	SuSE Local Security Checks	10/28/2019	4/16/2024	critical
129078	Fedora 30 : openconnect (2019-1caffa01f2)	Nessus	Fedora Local Security Checks	9/20/2019	4/24/2024	critical
130165	SUSE SLED12 Security Update : openconnect (SUSE-SU-2019:2744-1)	Nessus	SuSE Local Security Checks	10/23/2019	4/17/2024	critical
141182	Ubuntu 18.04 LTS : OpenConnect vulnerability (USN-4565-1)	Nessus	Ubuntu Local Security Checks	10/5/2020	10/21/2023	critical
129572	Debian DLA-1945-1 : openconnect security update	Nessus	Debian Local Security Checks	10/4/2019	4/19/2024	critical
130336	openSUSE Security Update : openconnect (openSUSE-2019-2388)	Nessus	SuSE Local Security Checks	10/28/2019	4/16/2024	critical

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