CVE-2017-5618

Name: CVE-2017-5618
Creator: NVD / NIST
Published: 2017-03-20T16:59:02.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.09%

Last modified Jun 17, 2026

CVE-2017-5618 is a vulnerability of currently unknown severity. GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

Metrics

EPSS Probability

1.09%

61.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Gnu	Screen	<= 4.5.0

References

http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8Patch, Third Party Advisory
http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1Release Notes, Third Party Advisory
http://savannah.gnu.org/bugs/?50142Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/29/3Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/95873Third Party Advisory, VDB Entry
https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.htmlExploit, Third Party Advisory
http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8Patch, Third Party Advisory
http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1Release Notes, Third Party Advisory
http://savannah.gnu.org/bugs/?50142Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/29/3Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/95873Third Party Advisory, VDB Entry
https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.htmlExploit, Third Party Advisory

Timeline

Published: Mar 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5618?

GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

How severe is CVE-2017-5618?

Severity scoring for CVE-2017-5618 is pending analysis. The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5618?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5618?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST