USN-3882-1: curl vulnerabilities
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 14.04
- Canonical Ubuntu 16.04
- Canonical Ubuntu 18.04
Description
Wenxiang Qian discovered that curl incorrectly handled certain NTLM authentication messages. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-16890)
Wenxiang Qian discovered that curl incorrectly handled certain NTLMv2 authentication messages. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2019-3822)
Brian Carpenter discovered that curl incorrectly handled certain SMTP responses. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. (CVE-2019-3823)
CVEs contained in this USN include: CVE-2018-16890, CVE-2019-3822, CVE-2019-3823
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Cloud Foundry BOSH trusty-stemcells are vulnerable, including:
- 3586.x versions prior to 3586.79
- 3541.x versions prior to 3541.80
- 3468.x versions prior to 3468.101
- 3445.x versions prior to 3445.97
- 3421.x versions prior to 3421.117
- All other stemcells not listed.
- Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
- 250.x versions prior to 250.9
- 170.x versions prior to 170.30
- 97.x versions prior to 97.57
- All other stemcells not listed.
- All versions of Cloud Foundry cflinuxfs2 prior to 1.264.0
- All versions of Cloud Foundry cflinuxfs3 prior to 0.58.0
Mitigation
Users of affected products are strongly encouraged to follow one of the mitigations below:
- The Cloud Foundry project recommends upgrading the following BOSH trusty-stemcells:
- Upgrade 3586.x versions to 3586.79
- Upgrade 3541.x versions to 3541.80
- Upgrade 3468.x versions to 3468.101
- Upgrade 3445.x versions to 3445.97
- Upgrade 3421.x versions to 3421.117
- All other stemcells should be upgraded to the latest version available on bosh.io.
- The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
- Upgrade 250.x versions to 250.9
- Upgrade 170.x versions to 170.30
- Upgrade 97.x versions to 97.57
- All other stemcells should be upgraded to the latest version available on bosh.io.
- The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.264.0 or later.
- The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs3 version 0.58.0 or later.
