Security Bulletin
Summary
Proof of Concept exploit code has been released on August 25th, which uses a flaw in glibc that can allow a local unprivileged user to gain root on Linux machines.
Vulnerability Details
CVE ID: CVE-2014-5119
DESCRIPTION: The GNU C Library (glibc) is vulnerable to a heap-based buffer overflow, caused by an off-by-one error in the __gconv_translit_find() function. By setting the CHARSET environment variable to a malicious value, a local attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system with root privileges.
CVSS:
CVSS Base Score: 7.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/95044 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Affected Products and Versions
WebSphere MQ Hypervisor Edition Versions 7.0.1 and 7.5
Remediation/Fixes
IBM strongly recommends that you should contact Red Hat to obtain fixes and install fixes for Red Hat Enterprise Linux (RHEL).
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References
Change History
27 October 2014: Original Copy Published
28 October 2014: Modified title to make it more clear
*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.
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Document Information
Modified date:
15 June 2018
UID
swg21687444