REDHAT-BUG-2191704: Medium severity GNU ncurses vulnerability
ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.
https://www.openwall.com/lists/oss-security/2023/04/13/4 https://www.openwall.com/lists/oss-security/2023/04/12/5 http://ncurses.scripts.mit.edu/?p=ncurses.git;a=commit;h=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56 http://www.openwall.com/lists/oss-security/2023/04/19/10 http://www.openwall.com/lists/oss-security/2023/04/19/11
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2191704?
The severity of REDHAT-BUG-2191704 is critical due to its potential for local users to trigger security-relevant memory corruption.
How do I fix REDHAT-BUG-2191704?
To fix REDHAT-BUG-2191704, update the ncurses package to version 6.4 20230408 or later.
Who is affected by REDHAT-BUG-2191704?
Local users running setuid applications that utilize ncurses prior to version 6.4 20230408 are affected by REDHAT-BUG-2191704.
What causes the vulnerability REDHAT-BUG-2191704?
REDHAT-BUG-2191704 is caused by malformed data in a terminfo database file that can lead to security-relevant memory corruption.
What versions of ncurses are affected by REDHAT-BUG-2191704?
Versions of ncurses before 6.4 20230408 are affected by REDHAT-BUG-2191704.