Bug 2191704 (CVE-2023-29491) - CVE-2023-29491 ncurses: Local users can trigger security-relevant memory corruption via malformed data
Summary: CVE-2023-29491 ncurses: Local users can trigger security-relevant memory corr...
Keywords:
Status: NEW
Alias: CVE-2023-29491
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
: 2186313 (view as bug list)
Depends On: 2192456 2192457 2192458 2192459
Blocks: 2191705
TreeView+ depends on / blocked
 
Reported: 2023-04-28 20:47 UTC by Pedro Sampaio
Modified: 2023-08-15 15:11 UTC (History)
20 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in ncurses and occurs when used by a setuid application. This flaw allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

Description Pedro Sampaio 2023-04-28 20:47:45 UTC
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

Comment 9 Miroslav Lichvar 2023-08-15 14:48:06 UTC
*** Bug 2186313 has been marked as a duplicate of this bug. ***


Note You need to log in before you can comment on or make changes to this bug.