UBUNTU-CVE-2019-17455

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Source
https://ubuntu.com/security/CVE-2019-17455
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17455.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2019-17455
Related
Published
2019-10-10T18:15:00Z
Modified
2025-05-26T16:36:37Z
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
Summary
[none]
Details

Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libntlm

Package

Name
libntlm
Purl
pkg:deb/ubuntu/libntlm@1.4-1ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4-1ubuntu0.1~esm1

Affected versions

1.*

1.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libntlm0",
            "binary_version": "1.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libntlm0-dbgsym",
            "binary_version": "1.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libntlm0-dev",
            "binary_version": "1.4-1ubuntu0.1~esm1"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / libntlm

Package

Name
libntlm
Purl
pkg:deb/ubuntu/libntlm@1.4-7ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4-7ubuntu0.1~esm1

Affected versions

1.*

1.4-7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libntlm0",
            "binary_version": "1.4-7ubuntu0.1~esm1"
        },
        {
            "binary_name": "libntlm0-dbgsym",
            "binary_version": "1.4-7ubuntu0.1~esm1"
        },
        {
            "binary_name": "libntlm0-dev",
            "binary_version": "1.4-7ubuntu0.1~esm1"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:18.04:LTS / libntlm

Package

Name
libntlm
Purl
pkg:deb/ubuntu/libntlm@1.4-8ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4-8ubuntu0.1

Affected versions

1.*

1.4-8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libntlm0",
            "binary_version": "1.4-8ubuntu0.1"
        },
        {
            "binary_name": "libntlm0-dbgsym",
            "binary_version": "1.4-8ubuntu0.1"
        },
        {
            "binary_name": "libntlm0-dev",
            "binary_version": "1.4-8ubuntu0.1"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / libntlm

Package

Name
libntlm
Purl
pkg:deb/ubuntu/libntlm@1.5-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5-2ubuntu0.1

Affected versions

1.*

1.5-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libntlm0",
            "binary_version": "1.5-2ubuntu0.1"
        },
        {
            "binary_name": "libntlm0-dbgsym",
            "binary_version": "1.5-2ubuntu0.1"
        },
        {
            "binary_name": "libntlm0-dev",
            "binary_version": "1.5-2ubuntu0.1"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "No subscription required"
}