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Vulnerability of systemd, rc.d: information disclosure via VPN-Tunneled TCP Connections

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via VPN-Tunneled TCP Connections of systemd, rc.d, in order to obtain sensitive information.
Impacted products: iOS by Apple, iPhone, Mac OS X, Debian, Fedora, FreeBSD, Tivoli Workload Scheduler, OpenBSD, Slackware, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 09/12/2019.
Références of this threat: 6205685, 6205694, 6205697, 6205698, CVE-2019-14899, HT211288, HT211289, HT211931, SA44328, sk164019, VIGILANCE-VUL-31089.

Description of the vulnerability 

An attacker can bypass access restrictions to data via VPN-Tunneled TCP Connections of systemd, rc.d, in order to obtain sensitive information.
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This computer threat note impacts software or systems such as iOS by Apple, iPhone, Mac OS X, Debian, Fedora, FreeBSD, Tivoli Workload Scheduler, OpenBSD, Slackware, Ubuntu.

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

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

An attacker with a expert ability can exploit this computer weakness note.

Solutions for this threat 

systemd, rc.d: workaround for VPN-Tunneled TCP Connections.
A workaround is indicated in the information source.

Apple iOS: version 13.6.
The version 13.6 is fixed:
  https://support.apple.com/

Apple macOS: version 10.13.6-2020-004.
The version 10.13.6-2020-004 is fixed:
  https://support.apple.com/

Apple macOS: version 10.14.6-2020-004.
The version 10.14.6-2020-004 is fixed:
  https://support.apple.com/

Apple macOS: version 10.15.6.
The version 10.15.6 is fixed:
  https://support.apple.com/

Apple macOS: version 11.0.1.
The version 11.0.1 is fixed:
  https://support.apple.com/

IBM Workload Scheduler (Ubuntu container): patch IJ24525.
A patch is indicated in information sources.
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Computer vulnerabilities tracking service 

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