CVE-2017-16879
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 6.0+20171125-1 |
| debian | bullseye | fixed | 6.0+20171125-1 |
| debian | forky | fixed | 6.0+20171125-1 |
| debian | sid | fixed | 6.0+20171125-1 |
| debian | trixie | fixed | 6.0+20171125-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | ncurses | 6.0 | |
References
- 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%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201804-13
- https://tools.cisco.com/security/center/viewAlert.x?alertId=57695
- https://www.suse.com/security/cve/CVE-2017-16879.html
- https://security-tracker.debian.org/tracker/CVE-2017-16879
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.