Vulnerability DatabaseCVE-2015-6806
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CVE-2015-6806
September 28, 2015
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.
Related Resources (11)
http://www.debian.org/security/2015/dsa-3352
https://savannah.gnu.org/bugs/?45713
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-6806
http://www.openwall.com/lists/oss-security/2015/09/03/11
https://security-tracker.debian.org/tracker/CVE-2015-6806
http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html
https://access.redhat.com/security/cve/CVE-2015-6806
http://www.openwall.com/lists/oss-security/2015/09/03/4
https://usn.ubuntu.com/3996-1/
http://www.openwall.com/lists/oss-security/2015/09/01/1
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
CVSS v2
Base Score:
5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119
EPSS
Base Score:
0.64