Out-of-bounds Write Affecting ncurses package, versions <6.0+20161126-1+deb9u2
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.36% (73rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN9-NCURSES-367833
- published 22 Nov 2017
- disclosed 22 Nov 2017
Introduced: 22 Nov 2017
CVE-2017-16879 Open this link in a new tabHow to fix?
Upgrade Debian:9
ncurses
to version 6.0+20161126-1+deb9u2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ncurses
package and not the ncurses
package as distributed by Debian
.
See How to fix?
for Debian:9
relevant fixed versions and status.
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://security-tracker.debian.org/tracker/CVE-2017-16879
- http://invisible-island.net/ncurses/NEWS.html#t20171125
- https://tools.cisco.com/security/center/viewAlert.x?alertId=57695
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16879
- https://security.gentoo.org/glsa/201804-13
- 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-16879
- 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