UBUNTU-CVE-2018-10933

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Source
https://ubuntu.com/security/CVE-2018-10933
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10933.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-10933
Upstream
Downstream
Related
Published
2018-10-16T00:00:00Z
Modified
2025-09-08T16:44:52Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • 9.1 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.

References

Affected packages

Ubuntu:14.04:LTS / libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.6.1-0ubuntu3.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.1-0ubuntu3.4

Affected versions

0.*

0.5.4-1
0.6.1-0ubuntu2
0.6.1-0ubuntu3
0.6.1-0ubuntu3.1
0.6.1-0ubuntu3.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.1-0ubuntu3.4",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.6.1-0ubuntu3.4",
            "binary_name": "libssh-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.6.3-4.3ubuntu0.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.3-4.3ubuntu0.1

Affected versions

0.*

0.6.3-3ubuntu3
0.6.3-4.1
0.6.3-4.2
0.6.3-4.2ubuntu1
0.6.3-4.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.3-4.3ubuntu0.1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.1",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.1",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.1",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.8.0~20170825.94fa1e38-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.8.0~20170825.94fa1e38-1ubuntu0.1

Affected versions

0.*

0.7.5-1
0.8.0~20170825.94fa1e38-1
0.8.0~20170825.94fa1e38-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.1",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.1",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.1",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "availability": "No subscription required"
}