Debian LTS Advisory ([SECURITY] [DLA 1945-1] openconnect security update)

Published: 2019-10-04 02:00:08
CVE Author: NIST National Vulnerability Database (NVD)

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

Summary:
The remote host is missing an update for the 'openconnect' Linux Distribution Package(s) announced via the DSA-1945-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
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.

Affected Versions:
'openconnect' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 8 'Jessie', this problem has been fixed in version 6.00-2+deb8u1. We recommend that you upgrade your openconnect Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-16239

References:

https://lists.debian.org/debian-lts-announce/2019/10/msg00003.html
https://security-tracker.debian.org/tracker/DLA-1945-1
https://bugs.debian.org/940871

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Severity
High
CVSS Score
7.5

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