Ubuntu 5628-1: etcd vulnerabilities | LinuxSecurity.com
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Ubuntu Security Notice USN-5628-1
September 22, 2022

etcd vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

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)

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

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

Ubuntu 5628-1: etcd vulnerabilities

September 22, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS 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)

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
Ubuntu Security Notice USN-5628-1

Package Information

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

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