Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 569
Alerts This Week
Warning Icon 1 569

Ubuntu 20.04 LTS: USN-5628-1 Critical: Etcd Denial Of Service Issues

ubuntu
Calendar Grey September 22, 2022
Dist Ubuntu Esm H88
Multiple security flaws in etcd for Ubuntu 20.04 LTS addressed, notably concerns regarding potential denial of service attacks.
Several security issues were fixed in etcd.

Summary

Several security issues were fixed in etcd.

Software Description:

- etcd: Transitional package for etcd-client and etcd-server

Details:

It was discovered that etcd incorrectly handled certain specially crafted

WAL files. An attacker could possibly use this issue to cause a denial of

service. (CVE-2020-15106, CVE-2020-15112)

It was discovered that etcd incorrectly handled directory permissions when

trying to create a directory that exists already. An attacker could

possibly use this issue to obtain sensitive information. (CVE-2020-15113)

It was discovered that etcd incorrectly handled endpoint setup. An

attacker could possibly use this issue to cause a denial of

service. (CVE-2020-15114)

Topics%20covered

Topics Covered

security advisory denial of service critical risk ubuntu etcd

Update Instructions

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

Ubuntu 20.04 LTS:
  etcd                            3.2.26+dfsg-6ubuntu0.1
  etcd-client                     3.2.26+dfsg-6ubuntu0.1
  etcd-server                     3.2.26+dfsg-6ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-5628-1

CVE-2020-15106, CVE-2020-15112, CVE-2020-15113, CVE-2020-15114

Severity
critical
Lowest
Low
Medium
High
Critical

September 22, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical risk ubuntu etcd

Package Information

https://launchpad.net/ubuntu/+source/etcd/3.2.26+dfsg-6ubuntu0.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.