SB2020020721 - Denial of service in Red Hat Ceph



SB2020020721 - Denial of service in Red Hat Ceph

Published: February 7, 2020 Updated: March 18, 2020

Security Bulletin ID SB2020020721
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) Resource management error (CVE-ID: CVE-2020-1700)

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

The vulnerability exists due to an error while processing unexpected disconnects within the Ceph RGW Beast front-end (/rgw/rgw_asio_frontend.cc). A remote attacker can perform a denial of service (DoS) attack by triggering creation of numerous CLOSE_WAIT sockets and exhausting all available system resources.


Remediation

Install update from vendor's website.