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Vulnerability of Go: assertion error via dsa.Verify

Synthesis of the vulnerability

An attacker can force an assertion error via dsa.Verify() of Go, in order to trigger a denial of service.
Severity of this threat: 2/4.
Creation date: 28/10/2019.
Références of this weakness: CVE-2019-17596, DSA-4551-1, ESA-2019-15, ESA-2019-16, openSUSE-SU-2019:2521-1, openSUSE-SU-2019:2522-1, SUSE-SU-2019:2940-1, VIGILANCE-VUL-30722.

Description of the vulnerability

An attacker can force an assertion error via dsa.Verify() of Go, in order to trigger a denial of service.
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This threat announce impacts software or systems such as Debian, openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity alert is medium.

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

An attacker with a expert ability can exploit this security alert.

Solutions for this threat

Cloud Foundry: fixed versions for Go.
Fixed versions are indicated in information sources.

Debian 10: new golang-1.11 packages.
New packages are available:
  Debian 10: golang-1.11 1.11.6-1+deb10u3

Elastic Beats Metricbeat: version 7.5.0.
The version 7.5.0 is fixed:
  https://www.elastic.co/

openSUSE Leap 15: new go1.12 packages.
New packages are available:
  openSUSE Leap 15.0: go1.12 1.12.12-lp150.11.1
  openSUSE Leap 15.1: go1.12 1.12.12-lp151.2.25.1

SUSE LE 15: new go1.12 packages.
New packages are available:
  SUSE LE 15 RTM: go1.12 1.12.12-1.20.1
  SUSE LE 15 SP1: go1.12 1.12.12-1.20.1
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