etcd having a negative value for cluster node size results in an index out-of-bound panic during service discovery
Package
Affected versions
>= 3.4.0, < 3.4.10
< 3.3.23
Patched versions
3.4.10
3.3.23
Description
Published to the GitHub Advisory Database
Oct 6, 2022
Reviewed
Oct 6, 2022
Last updated
Jan 12, 2023
Vulnerability type
Data Validation
Detail
When an etcd instance attempts to perform service discovery, if a cluster size is provided as a negative value, the etcd instance will panic without recovery.
References
Find out more on this vulnerability in the security audit report
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References