UBUNTU-CVE-2017-18594

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Source
https://ubuntu.com/security/CVE-2017-18594
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18594.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2017-18594
Upstream
Published
2019-08-29T00:15:00Z
Modified
2025-09-08T16:44:35Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse.

References

Affected packages

Ubuntu:Pro:14.04:LTS / nmap

Package

Name
nmap
Purl
pkg:deb/ubuntu/nmap@6.40-0.2ubuntu1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

6.*

6.40-0.1ubuntu1
6.40-0.2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "6.40-0.2ubuntu1",
            "binary_name": "nmap"
        },
        {
            "binary_version": "6.40-0.2ubuntu1",
            "binary_name": "zenmap"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / nmap

Package

Name
nmap
Purl
pkg:deb/ubuntu/nmap@7.01-2ubuntu2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

6.*

6.47-7

7.*

7.01-2ubuntu1
7.01-2ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "7.01-2ubuntu2",
            "binary_name": "ndiff"
        },
        {
            "binary_version": "7.01-2ubuntu2",
            "binary_name": "nmap"
        },
        {
            "binary_version": "7.01-2ubuntu2",
            "binary_name": "zenmap"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / nmap

Package

Name
nmap
Purl
pkg:deb/ubuntu/nmap@7.60-1ubuntu5?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

7.*

7.60-1ubuntu1
7.60-1ubuntu2
7.60-1ubuntu3
7.60-1ubuntu4
7.60-1ubuntu5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "7.60-1ubuntu5",
            "binary_name": "ndiff"
        },
        {
            "binary_version": "7.60-1ubuntu5",
            "binary_name": "nmap"
        },
        {
            "binary_version": "7.60-1ubuntu5",
            "binary_name": "zenmap"
        }
    ]
}