Vulnerability Name:

CVE-2016-6356 (CCN-118378)

Assigned:2016-10-26
Published:2016-10-26
Updated:2017-07-29
Summary:A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop scanning and forwarding email messages due to a denial of service (DoS) condition. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. The vulnerability is not limited to any specific rules or actions for a message filter or content filter. More Information: CSCuz63143. Known Affected Releases: 8.5.7-042 9.7.0-125. Known Fixed Releases: 10.0.0-125 9.1.1-038 9.7.2-047.
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-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-6356

Source: BID
Type: UNKNOWN
93907

Source: CCN
Type: BID-93907
Cisco AsyncOS CVE-2016-6356 Remote Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1037122

Source: XF
Type: UNKNOWN
cisco-cve20166356-dos(118378)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20161026-esa3
Cisco Email Security Appliance Corrupted Attachment Fields Denial of Service Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esa3

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:email_security_appliance:3.3.1-09:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.5.2-201:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.6.1-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.6.1-gpl-022:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.6.3-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.6.3-025:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.7.0-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.7.1-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:7.8.0-311:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.0.1-023:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.0_base:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.0-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.0-er1-198:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.6-052:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.6-073:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.6-074:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.6-106:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.6-113:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.5.7-042:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.6.0-011:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.9.1-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:8.9.2-032:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.0.0-212:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.0.0-461:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.0.5-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.1.0-011:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.1.0-032:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.1.0-101:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.4.4-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.5.0-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.5.0-201:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.6.0-000:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.6.0-042:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.6.0-051:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.7.0-125:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:email_security_appliance:9.7.1-066:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco email security appliance 3.3.1-09
    cisco email security appliance 7.1.0
    cisco email security appliance 7.1.1
    cisco email security appliance 7.1.2
    cisco email security appliance 7.1.3
    cisco email security appliance 7.1.4
    cisco email security appliance 7.1.5
    cisco email security appliance 7.3.0
    cisco email security appliance 7.3.1
    cisco email security appliance 7.3.2
    cisco email security appliance 7.5.0
    cisco email security appliance 7.5.1
    cisco email security appliance 7.5.2
    cisco email security appliance 7.5.2-201
    cisco email security appliance 7.6.0
    cisco email security appliance 7.6.1-000
    cisco email security appliance 7.6.1-gpl-022
    cisco email security appliance 7.6.2
    cisco email security appliance 7.6.3-000
    cisco email security appliance 7.6.3-025
    cisco email security appliance 7.7.0-000
    cisco email security appliance 7.7.1-000
    cisco email security appliance 7.8.0
    cisco email security appliance 7.8.0-311
    cisco email security appliance 8.0.1-023
    cisco email security appliance 8.0_base
    cisco email security appliance 8.5.0-000
    cisco email security appliance 8.5.0-er1-198
    cisco email security appliance 8.5.6-052
    cisco email security appliance 8.5.6-073
    cisco email security appliance 8.5.6-074
    cisco email security appliance 8.5.6-106
    cisco email security appliance 8.5.6-113
    cisco email security appliance 8.5.7-042
    cisco email security appliance 8.6.0
    cisco email security appliance 8.6.0-011
    cisco email security appliance 8.9.0
    cisco email security appliance 8.9.1-000
    cisco email security appliance 8.9.2-032
    cisco email security appliance 9.0.0
    cisco email security appliance 9.0.0-212
    cisco email security appliance 9.0.0-461
    cisco email security appliance 9.0.5-000
    cisco email security appliance 9.1.0
    cisco email security appliance 9.1.0-011
    cisco email security appliance 9.1.0-032
    cisco email security appliance 9.1.0-101
    cisco email security appliance 9.4.0
    cisco email security appliance 9.4.4-000
    cisco email security appliance 9.5.0-000
    cisco email security appliance 9.5.0-201
    cisco email security appliance 9.6.0-000
    cisco email security appliance 9.6.0-042
    cisco email security appliance 9.6.0-051
    cisco email security appliance 9.7.0-125
    cisco email security appliance 9.7.1-066