USN-3911-2: file regression
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 16.04
- Canonical Ubuntu 18.04
Description
USN-3911-1 fixed vulnerabilities in file. One of the backported security fixes introduced a regression that caused the interpreter string to be truncated. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that file incorrectly handled certain malformed ELF files. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code.
CVEs contained in this USN include: CVE-2019-8904, CVE-2019-8905, CVE-2019-8906, CVE-2019-8907.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs3
- All versions prior to 0.179.0
- Xenial Stemcells
- 170.x versions prior to 170.220
- 250.x versions prior to 250.199
- 315.x versions prior to 315.184
- 456.x versions prior to 456.113
- 621.x versions prior to 621.75
- All other stemcells not listed.
- CF Deployment
- All versions prior to v13.5.0
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 0.179.0 or greater
- Xenial Stemcells
- Upgrade 170.x versions to 170.220 or greater
- Upgrade 250.x versions to 250.199 or greater
- Upgrade 315.x versions to 315.184 or greater
- Upgrade 456.x versions to 456.113 or greater
- Upgrade 621.x versions to 621.75 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
- CF Deployment
- Upgrade All versions to v13.5.0 or greater
History
2020-05-13: Initial vulnerability report published.