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Vulnerability of rsyslog: denial of service via Imtcp Octet-Counted TCP Framing

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Imtcp Octet-Counted TCP Framing of rsyslog, in order to trigger a denial of service.
Impacted systems: openSUSE Leap, RHEL, RSYSLOG.
Severity of this alert: 2/4.
Creation date: 11/02/2019.
Références of this alert: CVE-2018-16881, openSUSE-SU-2019:0154-1, RHBUG-1658366, RHSA-2019:2110-01, VIGILANCE-VUL-28469.

Description of the vulnerability 

An attacker can trigger a fatal error via Imtcp Octet-Counted TCP Framing of rsyslog, in order to trigger a denial of service.
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This computer vulnerability bulletin impacts software or systems such as openSUSE Leap, RHEL, RSYSLOG.

Our Vigil@nce team determined that the severity of this 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 threat note.

Solutions for this threat 

rsyslog: patch for Imtcp Octet-Counted TCP Framing.
A patch is indicated in information sources.

openSUSE Leap 42.3: new rsyslog packages.
New packages are available:
  openSUSE Leap 42.3: rsyslog 8.24.0-2.10.1

RHEL 7: new rsyslog packages.
New packages are available:
  RHEL 7: rsyslog 8.24.0-38.el7

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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