UBUNTU-CVE-2018-20177

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Source
https://ubuntu.com/security/CVE-2018-20177
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20177.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-20177
Upstream
Published
2019-03-15T18:29:00Z
Modified
2025-09-08T16:45:06Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdpinunistr() and results in memory corruption and possibly even a remote code execution.

References

Affected packages

Ubuntu:Pro:16.04:LTS / rdesktop

Package

Name
rdesktop
Purl
pkg:deb/ubuntu/rdesktop@1.8.3-1?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

1.*

1.8.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rdesktop",
            "binary_version": "1.8.3-1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / rdesktop

Package

Name
rdesktop
Purl
pkg:deb/ubuntu/rdesktop@1.8.3-2build1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1.*

1.8.3-2
1.8.3-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "rdesktop",
            "binary_version": "1.8.3-2build1"
        }
    ]
}