Cloud FoundryCFOUNDRY:DF038CA686095997F28010C0D12B1C6AUSN-4428-1: Python vulnerabilities | Cloud Foundry
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
0.013 Low
EPSS
Percentile
85.7%
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 14.04
- Canonical Ubuntu 16.04
- Canonical Ubuntu 18.04
Description
It was discovered that Python documentation had a misleading information. A security issue could be possibly caused by wrong assumptions of this information. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-17514)
It was discovered that Python incorrectly handled certain TAR archives. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-20907)
It was discovered that incorrectly handled certain ZIP files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9674)
It was discovered that Python incorrectly handled certain IP values. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14422)
CVEs contained in this USN include: CVE-2019-20907, CVE-2019-9674, CVE-2019-17514, CVE-2020-14422.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs3
- All versions prior to 0.200.0
- Xenial Stemcells
- 170.x versions prior to 170.223
- 250.x versions prior to 250.202
- 315.x versions prior to 315.189
- 456.x versions prior to 456.116
- 621.x versions prior to 621.78
- All other stemcells not listed.
- CF Deployment
- All versions prior to v13.9.0
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
- cflinuxfs3
- Upgrade All versions to 0.200.0 or greater
- Xenial Stemcells
- Upgrade 170.x versions to 170.223 or greater
- Upgrade 250.x versions to 250.202 or greater
- Upgrade 315.x versions to 315.189 or greater
- Upgrade 456.x versions to 456.116 or greater
- Upgrade 621.x versions to 621.78 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
- CF Deployment
- Upgrade All versions to v13.9.0 or greater
References
History
2020-08-27: Initial vulnerability report published.
| CPE | Name | Operator | Version |
|---|---|---|---|
| cflinuxfs3 | lt | 0.200.0 | |
| xenial stemcells | lt | 170.223 | |
| xenial stemcells | lt | 250.202 | |
| xenial stemcells | lt | 315.189 | |
| xenial stemcells | lt | 456.116 | |
| xenial stemcells | lt | 621.78 |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
0.013 Low
EPSS
Percentile
85.7%