National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-6806 Detail

Description

The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.

Source:  MITRE
Description Last Modified:  09/28/2015

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
http://www.debian.org/security/2015/dsa-3352
http://www.openwall.com/lists/oss-security/2015/09/01/1
http://www.openwall.com/lists/oss-security/2015/09/03/11 Exploit
http://www.openwall.com/lists/oss-security/2015/09/03/4
https://savannah.gnu.org/bugs/?45713 Exploit Vendor Advisory

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:gnu:gnu_screen:*:*:*:*:*:*:*:*    versions up to (including) 4.3.1

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-6806
NVD Published Date:
09/28/2015
NVD Last Modified:
09/29/2015