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Ubuntu: USN-6189-1 Critical: etcd Credential Exposure Over Network

ubuntu
Calendar Grey June 28, 2023
Dist Ubuntu Esm H88
Critical advisory concerning etcd security flaw on Ubuntu 23.04 and 22.10 to avert unauthorized credential sharing across networks.
etcd could be made to expose sensitive information over the network.

Summary

etcd could be made to expose sensitive information over the

network.

Software Description:

- etcd: highly-available key value store -- client

Details:

It was discovered that etcd leaked credentials when debugging

was enabled. This allowed remote attackers to discover etcd

authentication credentials and possibly escalate privileges on

systems using etcd.

Topics%20covered

Topics Covered

security advisory Ubuntu network threat credential exposure etcd

Update Instructions

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

Ubuntu 23.04:
etcd-client 3.4.23-4ubuntu0.1
etcd-server 3.4.23-4ubuntu0.1

Ubuntu 22.10:
etcd-client 3.3.25+dfsg-7ubuntu0.22.10.2
etcd-server 3.3.25+dfsg-7ubuntu0.22.10.2

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

References

https://ubuntu.com/security/notices/USN-6189-1

CVE-2021-28235

Severity
critical
Lowest
Low
Medium
High
Critical

June 28, 2023

Topics%20covered

Topics Covered

security advisory Ubuntu network threat credential exposure etcd

Package Information

https://launchpad.net/ubuntu/+source/etcd/3.4.23-4ubuntu0.1
https://launchpad.net/ubuntu/+source/etcd/3.3.25+dfsg-7ubuntu0.22.10.2

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