USN-5179-2: BusyBox vulnerability

24056

25 July 2022

25 July 2022

CLOSED

LOW

CVE-2021-28831

Severity

low

Vendor

VMware Tanzu

Versions Affected

  • Canonical Ubuntu 16.04

Description

USN-5179-1 fixed vulnerabilities in BusyBox. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: It was discovered that BusyBox incorrectly handled certain malformed gzip archives. If a user or automated system were tricked into processing a specially crafted gzip archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-28831) Update Instructions: Run `sudo ua fix USN-5179-2` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: busybox - 1:1.22.0-15ubuntu1.4+esm1 busybox-syslogd - 1:1.22.0-15ubuntu1.4+esm1 udhcpd - 1:1.22.0-15ubuntu1.4+esm1 busybox-initramfs - 1:1.22.0-15ubuntu1.4+esm1 udhcpc - 1:1.22.0-15ubuntu1.4+esm1 busybox-static - 1:1.22.0-15ubuntu1.4+esm1 Available with UA Infra or UA Desktop: https://ubuntu.com/advantage

CVEs contained in this USN include: CVE-2021-28831

Affected VMware Products and Versions

Severity is low unless otherwise noted.

  • Isolation Segment
    • 2.4.x versions with Xenial Stemcells prior to 170.9
  • Operations Manager
    • 2.9.x versions prior to 2.9.39
    • 2.10.x versions prior to 2.10.40
  • VMware Tanzu Application Service for VMs
    • 2.4.x versions with Xenial Stemcells prior to 170.9

Mitigation

Users of affected products are strongly encouraged to follow the mitigation below. On the Tanzu Network product page for each release, check the Depends On section and/or Release Notes for this information. Releases that have fixed this issue include:
  • Isolation Segment
    • 2.4.x: Upgrade Xenial Stemcells to 170.9 or greater
  • Operations Manager
    • 2.9.39
    • 2.10.40
  • VMware Tanzu Application Service for VMs
    • 2.4.x: Upgrade Xenial Stemcells to 170.9 or greater

References

History

2022-07-25: Initial vulnerability report published.