SB20240620104 - Denial of service in etcd
Published: June 20, 2024
Security Bulletin ID
SB20240620104
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2022-34038)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the PageWriter.write() method in pagewriter.go. A remote attacker can create a specially crafted input to the application, trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/etcd-io/etcd/pull/14022
- https://github.com/etcd-io/etcd/pull/14452
- https://go-review.googlesource.com/c/vulndb/+/524456/2/data/excluded/GO-2023-2016.yaml
- https://github.com/golang/vulndb/issues/2016#issuecomment-1698677762
- https://go-review.googlesource.com/c/vulndb/+/524456
- https://github.com/advisories/GHSA-65rp-cv85-263x