CUPS 'lppasswd' Tool Localized Message String Security Bypass Vulnerability

Summary
This host is running CUPS (Common UNIX Printing System) Service, which is prone to security bypass vulnerability.
Impact
Successful exploitation allows remote attackers to gain privileges via a file that contains crafted localization data with format string specifiers. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaw is due to error within the '_cupsGetlang()' function, as used by 'lppasswd.c' in 'lppasswd', relies on an environment variable to determine the file that provides localized message strings.
Affected
CUPS versions 1.2.x, 1.3.x, 1.4.x on Linux.
References