SB2019012103 - Multiple vulnerabilities in Red Hat Ceph Storage 

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Main Vulnerability Database SB2019012103

SB2019012103 - Multiple vulnerabilities in Red Hat Ceph Storage

Published: January 21, 2019

Security Bulletin ID SB2019012103
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2018-16846)

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

The vulnerability exists in the RADOS Gateway (RGW) code base due to boundary error in the ListBucket max-keys function during bucket listing operations. A remote attacker with Ceph RGW user permissions can trigger memory corruption and perform a denial of service attack against object maps (OMAPs) holding bucket indexes.


2) Information disclosure (CVE-ID: CVE-2018-14662)

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.

The vulnerability exists due to information exposure. A remote attacker read only permissions can steal dm-crypt encryption keys used in ceph disk encryption.


Remediation

Install update from vendor's website.

References