Vulnerability Details : 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.
Products affected by CVE-2017-5618
- cpe:2.3:a:gnu:screen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5618
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5618
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-5618
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5618
-
https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html
[screen-devel] [bug #50142] root exploit 4.5.0Exploit;Third Party Advisory
-
http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8
Patch;Third Party Advisory
-
http://savannah.gnu.org/bugs/?50142
GNU Screen - Bugs: bug #50142, CVE-2017-5618 - root exploit 4.5.0 [Savannah]Third Party Advisory
-
http://www.securityfocus.com/bid/95873
GNU Screen 'screen.c' Local Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
-
http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1
ChangeLog\src - screen.git - screenRelease Notes;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2017/01/29/3
oss-security - Re: CVE request: GNU screen escalationExploit;Mailing List;Third Party Advisory
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