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Ubuntu 20.04 LTS: USN-4531-1 Moderate: BusyBox SSL Trust Flaw

ubuntu
Calendar Grey September 22, 2020
Dist Ubuntu Esm H88
Tackling a BusyBox vulnerability that could potentially leak confidential information while employing SSL certificates on Ubuntu platforms.
Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.

Summary

Fraudulent security certificates could allow sensitive information to

be exposed when accessing the Internet.

Software Description:

- busybox: Tiny utilities for small and embedded systems

Details:

It was discovered that the BusyBox wget applet incorrectly validated SSL

certificates. A remote attacker could possibly use this issue to intercept

secure communications.

Topics%20covered

Topics Covered

security advisory remote attack Ubuntu sensitive information busybox Internet access SSL trust

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  busybox                         1:1.30.1-4ubuntu6.2
  busybox-initramfs               1:1.30.1-4ubuntu6.2
  busybox-static                  1:1.30.1-4ubuntu6.2

Ubuntu 18.04 LTS:
  busybox                         1:1.27.2-2ubuntu3.3
  busybox-initramfs               1:1.27.2-2ubuntu3.3
  busybox-static                  1:1.27.2-2ubuntu3.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4531-1

CVE-2018-1000500

September 22, 2020

Topics%20covered

Topics Covered

security advisory remote attack Ubuntu sensitive information busybox Internet access SSL trust

Package Information

https://launchpad.net/ubuntu/+source/busybox/1:1.30.1-4ubuntu6.2
https://launchpad.net/ubuntu/+source/busybox/1:1.27.2-2ubuntu3.3

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