CVE-2020-9355: Critical severity Networkmanager-ssh Project Networkmanager-ssh vulnerability

Published Feb 23, 2020
·
Updated

danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.

Affected Software

6 affected componentsFixes available
debian/network-manager-ssh
1.2.10-1+deb10u11.2.11-1
Networkmanager-ssh Project Networkmanager-ssh<1.2.11
Debian Debian Linux=9.0
Debian Debian Linux=10.0
ubuntu/network-manager-ssh*
ubuntu/network-manager-ssh<1.2.6-1ubuntu0.1~esm1
1.2.6-1ubuntu0.1~esm1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/network-manager-ssh to a version that resolves this vulnerability.

    Fixed in 1.2.10-1+deb10u1Fixed in 1.2.11-1
  2. Upgrade

    Upgrade ubuntu/network-manager-ssh to a version that resolves this vulnerability.

    Fixed in 1.2.6-1ubuntu0.1~esm1

Event History

Feb 23, 2020
CVE Published
via MITRE·01:55 AM
Data Sourced
via MITRE·01:55 AM
Description
Data Sourced
via OSV·02:15 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·02:15 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2020-9355?

The severity of CVE-2020-9355 is critical with a CVSS score of 9.8.

2

How does CVE-2020-9355 allow privilege escalation?

CVE-2020-9355 allows privilege escalation by mishandling extra options.

3

Which software is affected by CVE-2020-9355?

NetworkManager-ssh versions before 1.2.11 are affected by CVE-2020-9355.

4

How can I fix CVE-2020-9355?

To fix CVE-2020-9355, upgrade to NetworkManager-ssh 1.2.11 or later.

5

Where can I find more information about CVE-2020-9355?

You can find more information about CVE-2020-9355 in the following references: [Reference 1](https://github.com/danfruehauf/NetworkManager-ssh/pull/98), [Reference 2](https://github.com/danfruehauf/NetworkManager-ssh/commit/5d88cd89795352b5df54cc0ebb6a0076b8c89ee4), [Reference 3](https://bugzilla.redhat.com/show_bug.cgi?id=1803499).

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