Vulnerability CVE-2017-16879


Published: 2017-11-22   Modified: 2017-11-23

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
tic (GNU ncurses 6.0 library) Stack-based Buffer Overflow
Hosein Askari
18.11.2017

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Ncurses project -> Ncurses 

 References:
http://invisible-island.net/ncurses/NEWS.html#t20171125
http://packetstormsecurity.com/files/145045/GNU-ncurses-6.0-tic-Denial-Of-Service.html
https://security.gentoo.org/glsa/201804-13
https://tools.cisco.com/security/center/viewAlert.x?alertId=57695

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