SB2021051713 - Denial of service in Ceph



SB2021051713 - Denial of service in Ceph

Published: May 17, 2021

Security Bulletin ID SB2021051713
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2021-3531)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing HTTP GET requests. A remote attacker can send a request to the swift URL that ends with two slashes it can cause the rgw to crash.


Remediation

Install update from vendor's website.