Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2019.3735
openconnect security update
7 October 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: openconnect
Publisher: Debian
Operating System: Debian GNU/Linux 8
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-16239
Original Bulletin:
https://security-tracker.debian.org/tracker/DLA-1945-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running openconnect check for an updated version of the software for
their operating system.
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Package : openconnect
Version : 6.00-2+deb8u1
CVE ID : CVE-2019-16239
Debian Bug : 940871
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.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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Internet Email: auscert@auscert.org.au
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