UBUNTU-CVE-2020-17509

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Source
https://ubuntu.com/security/CVE-2020-17509
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17509.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-17509
Upstream
Published
2021-01-11T10:15:00Z
Modified
2025-09-08T16:46:16Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

ATS negative cache option is vulnerable to a cache poisoning attack. If you have this option enabled, please upgrade or disable this feature. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.

References

Affected packages

Ubuntu:Pro:16.04:LTS / trafficserver

Package

Name
trafficserver
Purl
pkg:deb/ubuntu/trafficserver@5.3.0-2ubuntu2?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

5.*

5.3.0-2ubuntu1
5.3.0-2ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.3.0-2ubuntu2",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "5.3.0-2ubuntu2",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "5.3.0-2ubuntu2",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / trafficserver

Package

Name
trafficserver
Purl
pkg:deb/ubuntu/trafficserver@7.1.2+ds-3?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

7.*

7.0.0-5
7.1.2+ds-2
7.1.2+ds-2build1
7.1.2+ds-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "7.1.2+ds-3",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "7.1.2+ds-3",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "7.1.2+ds-3",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / trafficserver

Package

Name
trafficserver
Purl
pkg:deb/ubuntu/trafficserver@8.0.5+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

8.*

8.0.5+ds-1
8.0.5+ds-2
8.0.5+ds-2build1
8.0.5+ds-2ubuntu1
8.0.5+ds-3
8.0.5+ds-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.0.5+ds-3ubuntu0.1~esm1",
            "binary_name": "trafficserver"
        },
        {
            "binary_version": "8.0.5+ds-3ubuntu0.1~esm1",
            "binary_name": "trafficserver-dev"
        },
        {
            "binary_version": "8.0.5+ds-3ubuntu0.1~esm1",
            "binary_name": "trafficserver-experimental-plugins"
        }
    ]
}