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Red Hat: CVE-2020-15106: Moderate: etcd security update (RHSA-2021:1407)

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Red Hat: CVE-2020-15106: Moderate: etcd security update (RHSA-2021:1407)

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
08/05/2020
Created
04/28/2021
Added
04/28/2021
Modified
04/28/2021

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)

  • redhat-upgrade-etcd
  • redhat-upgrade-etcd-debuginfo

References

  • CVE-2020-15106

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