Synthesis of the vulnerability 


An attacker can trigger an overload via ReadUvarint() of Go, in order to trigger a denial of service.
Vulnerable products: Fedora, IBM API Connect, openSUSE Leap, RHEL, SLES.
Severity of this weakness: 2/4.
Creation date: 11/08/2020.
Références of this bulletin: 6344299, CVE-2020-16845, FEDORA-2020-deff052e7a, FEDORA-2020-e384830a0d, openSUSE-SU-2020:1178-1, openSUSE-SU-2020:1194-1, openSUSE-SU-2020:1405-1, openSUSE-SU-2020:1407-1, RHSA-2020:3665-01, SUSE-SU-2020:2562-1, VIGILANCE-VUL-33042.

Description of the vulnerability 


An attacker can trigger an overload via ReadUvarint() of Go, in order to trigger a denial of service.
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This threat alert impacts software or systems such as Fedora, IBM API Connect, openSUSE Leap, RHEL, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin 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 weakness note.

Solutions for this threat 


Fedora 31-32: new golang-github-ulikunitz-xz packages.
New packages are available:
  Fedora 31: golang-github-ulikunitz-xz 0.5.8-1.fc31
  Fedora 32: golang-github-ulikunitz-xz 0.5.8-1.fc32

IBM API Connect: patch for Go Language.
A patch is indicated in information sources.

openSUSE Leap 15.1: new go1.13 packages.
New packages are available:
  openSUSE Leap 15.1: go1.13 1.13.15-lp151.8.1

openSUSE Leap 15.1: new go1.14 packages.
New packages are available:
  openSUSE Leap 15.1: go1.14 1.14.7-lp151.13.1

openSUSE Leap 15.2: new go1.13 packages.
New packages are available:
  openSUSE Leap 15.2: go1.13 1.13.15-lp152.2.7.1

openSUSE Leap 15.2: new go1.14 packages.
New packages are available:
  openSUSE Leap 15.2: go1.14 1.14.7-lp152.2.3.1

RHEL 8: new go-toolset-rhel8 module.
The following module is updated:
  RHEL 8 Module: go-toolset:rhel8

SUSE LE 15 SP1-2: new go1.14 packages.
New packages are available:
  SUSE LE 15 SP1: go1.14 1.14.7-1.15.1
  SUSE LE 15 SP2: go1.14 1.14.7-1.15.1

Wind River Linux: version 10.18.44.19.
The version 10.18.44.19 is fixed:
  https://support2.windriver.com/index.php?page=cve&on=list&show=50&product_id=1&product_version%5B0%5D=23&id_status%5B0%5D=4&cve_id_filter=&s=&submit=&order_by=cve_modified_date&order_way=desc#list
Full bulletin, software filtering, emails, fixes, … (Request your free trial)

Computer vulnerabilities tracking service 


Vigil@nce provides application vulnerability alerts. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system.





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