Bug 1517922 (CVE-2017-16879) - CVE-2017-16879 ncurses: Stack-based buffer overflow in the _nc_write_entry function
Summary: CVE-2017-16879 ncurses: Stack-based buffer overflow in the _nc_write_entry fu...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-16879
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1517923
Blocks: 1517924
TreeView+ depends on / blocked
 
Reported: 2017-11-27 17:16 UTC by Adam Mariš
Modified: 2021-02-17 01:11 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-11-28 09:51:22 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2017-11-27 17:16:20 UTC 
Stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted terminfo file, as demonstrated by tic.

References:

https://cxsecurity.com/issue/WLB-2017110106
Comment 1 Adam Mariš 2017-11-27 17:16:43 UTC 
Created ncurses tracking bugs for this issue:

Affects: fedora-all [bug 1517923]
Comment 2 Stefan Cornelius 2017-11-28 09:51:22 UTC 
fortify source mitigates this to a crash only.
Comment 3 Stefan Cornelius 2017-11-28 09:51:30 UTC 
Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Note You need to log in before you can comment on or make changes to this bug.