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Ubuntu: (Multiple Advisories) (CVE-2020-15106): etcd vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-15106): 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
03/22/2023

Description

In etcd before versions 3.3.23 and 3.4.10, a large slice causes panic in decodeRecord method. The size of a record is stored in the length field of a WAL file and no additional validation is done on this data. Therefore, it is possible to forge an extremely large frame size that can unintentionally panic at the expense of any RAFT participant trying to decode the WAL.

Solution(s)

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

References

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