Vulnerability Name:

CVE-2019-12044 (CCN-161434)

Assigned:2019-05-13
Published:2019-05-13
Updated:2019-05-24
Summary:A Buffer Overflow exists in Citrix NetScaler Gateway 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23 and Citrix Application Delivery Controller 10.5.x before 10.5.70.x, 11.1.x before 11.1.59.10, 12.0.x before 12.0.59.8, and 12.1.x before 12.1.49.23.
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
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-119
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-12044

Source: XF
Type: UNKNOWN
citrix-cve201912044-dos(161434)

Source: CCN
Type: CTX249976
Buffer Overflow Vulnerability in Citrix ADC and Citrix NetScaler Gateway

Source: CONFIRM
Type: Patch, Vendor Advisory
https://support.citrix.com/article/CTX249976

Source: MISC
Type: Vendor Advisory
https://support.citrix.com/v1/search?searchQuery=%22%22&lang=en&sort=cr_date_desc&prod=&pver=&ct=Security+Bulletin

Vulnerable Configuration:Configuration 1:
  • cpe:/o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* (Version >= 10.5.0 and < 10.5.70)
  • OR cpe:/o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* (Version >= 11.1.0 and < 11.1.59.10)
  • OR cpe:/o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* (Version >= 12.0.0 and < 12.0.59.8)
  • OR cpe:/o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.49.23)
  • AND
  • cpe:/h:citrix:netscaler_gateway:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:* (Version >= 10.5.0 and < 10.5.70)
  • OR cpe:/o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:* (Version >= 11.1.0 and < 11.1.59.10)
  • OR cpe:/o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:* (Version >= 12.0.0 and < 12.0.59.8)
  • OR cpe:/o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.49.23)
  • AND
  • cpe:/h:citrix:netscaler_application_delivery_controller:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:citrix:netscaler_gateway_firmware:10.5:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:netscaler_gateway_firmware:11.1:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:netscaler_gateway_firmware:12.0:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:netscaler_gateway_firmware:12.1:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:application_delivery_controller_firmware:10.5:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:application_delivery_controller_firmware:11.1:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:application_delivery_controller_firmware:12.0:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:application_delivery_controller_firmware:12.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    citrix netscaler gateway firmware *
    citrix netscaler gateway firmware *
    citrix netscaler gateway firmware *
    citrix netscaler gateway firmware *
    citrix netscaler gateway -
    citrix netscaler application delivery controller firmware *
    citrix netscaler application delivery controller firmware *
    citrix netscaler application delivery controller firmware *
    citrix netscaler application delivery controller firmware *
    citrix netscaler application delivery controller -
    citrix netscaler gateway firmware 10.5
    citrix netscaler gateway firmware 11.1
    citrix netscaler gateway firmware 12.0
    citrix netscaler gateway firmware 12.1
    citrix application delivery controller firmware 10.5
    citrix application delivery controller firmware 11.1
    citrix application delivery controller firmware 12.0
    citrix application delivery controller firmware 12.1