Security Bulletin
Summary
PowerKVM is affected by a vulnerability in Perl. IBM has now addressed this vulnerability.
Vulnerability Details
DESCRIPTION: Perl is vulnerable to a heap-based buffer overflow, caused by an integer overflow in the Perl_my_setenv function. By sending a specially-crafted request, a local attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/153586 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
PowerKVM 3.1
Remediation/Fixes
Customers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 17.
Workarounds and Mitigations
none
Get Notified about Future Security Bulletins
References
Change History
12 February 2019 - Initial Version
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Was this topic helpful?
Document Information
Modified date:
04 March 2019
UID
ibm10871786