The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of OpenConnect: buffer overflow via process_http_response

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via process_http_response() of OpenConnect, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Debian, Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 3/4.
Creation date: 20/09/2019.
Références of this weakness: CVE-2019-16239, DLA-1945-1, DSA-4607-1, FEDORA-2019-1caffa01f2, FEDORA-2019-4c0d6e1784, openSUSE-SU-2019:2385-1, openSUSE-SU-2019:2388-1, SUSE-SU-2019:2737-1, SUSE-SU-2019:2744-2, USN-4565-1, VIGILANCE-VUL-30374.

Description of the vulnerability 

The OpenConnect product offers a web service.

However, if the size of data is greater than the size of the storage array, an overflow occurs.

An attacker can therefore trigger a buffer overflow via process_http_response() of OpenConnect, in order to trigger a denial of service, and possibly to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer weakness impacts software or systems such as Debian, Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability note is important.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this cybersecurity threat.

Solutions for this threat 

Debian 8: new openconnect packages.
New packages are available:
  Debian 8: openconnect 6.00-2+deb8u1

Debian 9/10: new openconnect packages.
New packages are available:
  Debian 9: openconnect 7.08-1+deb9u1
  Debian 10: openconnect 8.02-1+deb10u1

Fedora: new openconnect packages.
New packages are available:
  Fedora 29: openconnect 8.05-1.fc29
  Fedora 30: openconnect 8.05-1.fc30

openSUSE Leap 15: new openconnect packages.
New packages are available:
  openSUSE Leap 15.1: openconnect 7.08-lp151.6.3.1
  openSUSE Leap 15.0: openconnect 7.08-lp150.5.3.1

SUSE LE 12 SP5: new openconnect packages.
New packages are available:
  SUSE LE 12 SP5: openconnect 7.08-3.4.1

SUSE LE 15: new openconnect packages.
New packages are available:
  SUSE LE 15 RTM: openconnect 7.08-6.3.1
  SUSE LE 15 SP1: openconnect 7.08-6.3.1

Ubuntu 18.04: new openconnect packages.
New packages are available:
  Ubuntu 18.04 LTS: openconnect 7.08-3ubuntu0.18.04.2
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a computers vulnerabilities database. Each administrator can customize the list of products for which he wants to receive vulnerability alerts.