- ------------------------------------------------------------------------- Debian Security Advisory DSA-4607-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso January 20, 2020 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : openconnect CVE ID : CVE-2019-16239 Debian Bug : 940871 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 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. For the detailed security status of openconnect please refer to its security tracker page at: https://security-tracker.debian.org/tracker/openconnect Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: [email protected]
Debian: DSA-4607-1: openconnect security update
January 20, 2020
Lukas Kupczyk reported a vulnerability in the handling of chunked HTTP in openconnect, an open client for Cisco AnyConnect, Pulse and GlobalProtect VPN
Summary
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.
For the detailed security status of openconnect please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/openconnect
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Severity
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.
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