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Ubuntu: USN-5628-1 (CVE-2020-15112): etcd vulnerabilities

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Ubuntu: USN-5628-1 (CVE-2020-15112): etcd vulnerabilities

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
08/05/2020
Created
09/26/2022
Added
09/23/2022
Modified
09/23/2022

Description

In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry.

Solution(s)

  • ubuntu-upgrade-etcd
  • ubuntu-upgrade-etcd-client
  • ubuntu-upgrade-etcd-server

References

  • USN-5628-1
  • CVE-2020-15112

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