Headline
GHSA-2xhq-gv6c-p224: Etcd Gateway can include itself as an endpoint resulting in resource exhaustion
Vulnerability type
Denial of Service
Detail
The etcd gateway is a simple TCP proxy to allow for basic service discovery and access. However, it is possible to include the gateway address as an endpoint. This results in a denial of service, since the endpoint can become stuck in a loop of requesting itself until there are no more available file descriptors to accept connections on the gateway.
References
Find out more on this vulnerability in the security audit report
For more information
If you have any questions or comments about this advisory:
- Contact the etcd security committee
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- GitHub Advisory Database
- GitHub Reviewed
- CVE-2020-15114
Etcd Gateway can include itself as an endpoint resulting in resource exhaustion
High severity GitHub Reviewed Published Aug 5, 2020 in etcd-io/etcd • Updated Jan 31, 2024
Package
gomod go.etcd.io/etcd (Go)
Affected versions
>= 3.4.0-rc.0, <= 3.4.9
< 3.3.23
Patched versions
3.4.10
3.3.23
Description
Published to the GitHub Advisory Database
Jan 31, 2024
Last updated
Jan 31, 2024
Related news
Ubuntu Security Notice 5628-1 - 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. 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. It was discovered that etcd incorrectly handled endpoint setup. An attacker could possibly use this issue to cause a denial of service.