Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
Debian Security Advisory DSA 4607-1 (openconnect - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'openconnect' package(s) announced via the DSA-4607-1 advisory.
Insight
Insight
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.
Affected Software
Affected Software
'openconnect' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the oldstable distribution (stretch), this problem has been fixed in version 7.08-1+deb9u1. For the stable distribution (buster), this problem has been fixed in version 8.02-1+deb10u1. We recommend that you upgrade your openconnect packages.