CVE-2017-16879: Buffer Overflow
First published: Wed Nov 22 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU ncurses | =6.0 |
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Reference Links
- http://invisible-island.net/ncurses/NEWS.html#t20171125
- http://packetstormsecurity.com/files/145045/GNU-ncurses-6.0-tic-Denial-Of-Service.html
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201804-13
- https://tools.cisco.com/security/center/viewAlert.x?alertId=57695
Frequently Asked Questions
What is CVE-2017-16879?
CVE-2017-16879 is a vulnerability in ncurses 6.0 that allows attackers to cause a denial of service or potentially execute arbitrary code.
How does CVE-2017-16879 work?
CVE-2017-16879 is a stack-based buffer overflow vulnerability in the _nc_write_entry function in ncurses 6.0.
What is the severity of CVE-2017-16879?
CVE-2017-16879 has a severity score of 7.8 (high).
How can CVE-2017-16879 be fixed?
Updating to a patched version of ncurses can fix CVE-2017-16879.
Where can I find more information about CVE-2017-16879?
You can find more information about CVE-2017-16879 at the following references: [1] [2] [3].
- collector/nvd-index
- vendor/gnu
- canonical/gnu ncurses
- version/gnu ncurses/6.0