CVE-2017-5618
First published: Mon Mar 20 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Screen | <=4.5.0 |
Remedy
http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8
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Reference Links
- http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8
- http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1
- http://savannah.gnu.org/bugs/?50142
- http://www.openwall.com/lists/oss-security/2017/01/29/3
- http://www.securityfocus.com/bid/95873
- https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html
Frequently Asked Questions
What is the severity of CVE-2017-5618?
CVE-2017-5618 has a high severity score due to the potential for local users to gain root privileges.
How do I fix CVE-2017-5618?
To fix CVE-2017-5618, upgrade to GNU screen version 4.5.1 or later.
Who is affected by CVE-2017-5618?
Users of GNU screen versions prior to 4.5.1 are affected by CVE-2017-5618.
What kind of attacks does CVE-2017-5618 allow?
CVE-2017-5618 allows local users to modify arbitrary files, potentially leading to unauthorized privilege escalation.
Is CVE-2017-5618 a remote vulnerability?
No, CVE-2017-5618 is not a remote vulnerability; it requires local access to the system.
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