Vulnerability Name:

CVE-2016-1381 (CCN-113301)

Assigned:2016-05-18
Published:2016-05-18
Updated:2016-12-01
Summary: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.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-1381

Source: CISCO
Type: Vendor Advisory
20160518 Cisco Web Security Appliance Cached Range Request Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1035909

Source: XF
Type: UNKNOWN
cisco-wsa-cve20161381-dos(113301)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20160518-wsa2
Cisco Web Security Appliance Cached Range Request Denial of Service Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/h:cisco:web_security_appliance:-:*:*:*:*:*:*:*
  • AND
  • cpe:/a:cisco:web_security_appliance:8.5.0-497:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:8.5.0.000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:8.5.1-021:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:8.5.2-024:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:8.5.2-027:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:8.5.3-055:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:9.0.0-193:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:9.0_base:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:9.1.0-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:9.1_base:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cisco:web_security_appliance:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco web security appliance -
    cisco web security appliance 8.5.0-497
    cisco web security appliance 8.5.0.000
    cisco web security appliance 8.5.1-021
    cisco web security appliance 8.5.2-024
    cisco web security appliance 8.5.2-027
    cisco web security appliance 8.5.3-055
    cisco web security appliance 9.0.0-193
    cisco web security appliance 9.0_base
    cisco web security appliance 9.1.0-000
    cisco web security appliance 9.1_base
    cisco web security appliance *