Vulnerability Name:

CVE-2013-6696 (CCN-89403)

Assigned:2013-12-02
Published:2013-12-02
Updated:2014-03-04
Summary:Cisco Adaptive Security Appliance (ASA) Software does not properly handle errors during the processing of DNS responses, which allows remote attackers to cause a denial of service (device reload) via a malformed response, aka Bug ID CSCuj28861.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
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:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C)
4.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2013-6696

Source: CCN
Type: Cisco Security Notice
Cisco ASA Malformed DNS Reply Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20131202 Cisco ASA Malformed DNS Reply Denial of Service Vulnerability

Source: CCN
Type: BID-64037
Cisco ASA Software CVE-2013-6696 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
cisco-asa-cve20136696-dos(89403)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:cisco:adaptive_security_appliance:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
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