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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html	Exploit Third Party Advisory
http://www.securityfocus.com/bid/95873	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2017/01/29/3	Exploit Mailing List Third Party Advisory
http://savannah.gnu.org/bugs/?50142	Third Party Advisory
http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1	Release Notes Third Party Advisory
http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:screen:*:*:*:*:*:*:*:*

Information

Published : 2017-03-20 09:59

Updated : 2020-08-24 10:37

NVD link : CVE-2017-5618

Mitre link : CVE-2017-5618

JSON object : View

CWE

CWE-863

Incorrect Authorization

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Products Affected

gnu

screen

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