CVE-2016-1381 : Memory leak in Cisco AsyncOS 8.5 through 9.0 before 9.0.1-162 on Web Security Appliance (WSA) devices allows remote atta

Memory leak in Cisco AsyncOS 8.5 through 9.0 before 9.0.1-162 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via an HTTP file-range request for cached content, aka Bug ID CSCuw97270.

Published 2016-05-25 01:59:05

Updated 2016-12-01 03:05:25

Source Cisco Systems, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2016-1381

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 55 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-1381

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2016-1381

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160518-wsa2

Cisco Web Security Appliance Cached Range Request Denial of Service Vulnerability
Vendor Advisory
http://www.securitytracker.com/id/1035909

Cisco Web Security Appliance Cached File Range Memory Free Error Lets Remote Users Consume Excessive Memory Resources - SecurityTracker

Products affected by CVE-2016-1381

Cisco » Web Security Appliance » Version: 9.0.0-193
cpe:2.3:a:cisco:web_security_appliance:9.0.0-193:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 8.5.0.000
cpe:2.3:a:cisco:web_security_appliance:8.5.0.000:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 8.5.2-024
cpe:2.3:a:cisco:web_security_appliance:8.5.2-024:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 8.5.0-497
cpe:2.3:a:cisco:web_security_appliance:8.5.0-497:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 8.5.1-021
cpe:2.3:a:cisco:web_security_appliance:8.5.1-021:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 9.1.0-000
cpe:2.3:a:cisco:web_security_appliance:9.1.0-000:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 8.5.3-055
cpe:2.3:a:cisco:web_security_appliance:8.5.3-055:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 8.5.2-027
cpe:2.3:a:cisco:web_security_appliance:8.5.2-027:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 9.0 Base
cpe:2.3:a:cisco:web_security_appliance:9.0_base:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A
Cisco » Web Security Appliance » Version: 9.1 Base
cpe:2.3:a:cisco:web_security_appliance:9.1_base:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Web Security Appliance » Version: N/A

Vulnerability Details : CVE-2016-1381

Exploit prediction scoring system (EPSS) score for CVE-2016-1381

CVSS scores for CVE-2016-1381

CWE ids for CVE-2016-1381

References for CVE-2016-1381

Products affected by CVE-2016-1381