Vulnerability Name:

CVE-2016-20009 (CCN-198181)

Assigned:2016-08-09
Published:2016-08-09
Updated:2022-04-05
Summary:** UNSUPPORTED WHEN ASSIGNED ** A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7.
Note: This vulnerability only affects products that are no longer supported by the maintainer.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.8 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/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): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2016-20009

Source: CCN
Type: Exodus Blog, August 9, 2016
VxWorks: Execute My Packets

Source: MISC
Type: Exploit, Third Party Advisory
https://blog.exodusintel.com/2016/08/09/vxworks-execute-my-packets/

Source: CONFIRM
Type: Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-553445.pdf

Source: XF
Type: UNKNOWN
vxworks-cve201620009-bo(198181)

Source: CCN
Type: Wind River Web site
VxWorks

Vulnerable Configuration:Configuration 1:
  • cpe:/o:windriver:vxworks:*:*:*:*:*:*:*:* (Version >= 6.5 and <= 7.0)

  • Configuration 2:
  • cpe:/o:siemens:sgt-100_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-100:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:siemens:sgt-200_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-200:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:siemens:sgt-300_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-300:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:siemens:sgt-400_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-400:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:siemens:sgt-a20_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-a20:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:siemens:sgt-a35_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-a35:-:*:*:*:*:*:*:*

  • Configuration 8:
  • cpe:/o:siemens:sgt-a65_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sgt-a65:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:windriver:vxworks:6.5:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:6.6:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:6.7:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:6.8:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:6.9:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:6.9.4.1:*:*:*:*:*:*:*
  • OR cpe:/o:windriver:vxworks:6.8.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    windriver vxworks *
    siemens sgt-100 firmware *
    siemens sgt-100 -
    siemens sgt-200 firmware *
    siemens sgt-200 -
    siemens sgt-300 firmware *
    siemens sgt-300 -
    siemens sgt-400 firmware *
    siemens sgt-400 -
    siemens sgt-a20 firmware *
    siemens sgt-a20 -
    siemens sgt-a35 firmware *
    siemens sgt-a35 -
    siemens sgt-a65 firmware *
    siemens sgt-a65 -
    windriver vxworks 6.5
    windriver vxworks 6.6
    windriver vxworks 6.7
    windriver vxworks 6.8
    windriver vxworks 6.9
    windriver vxworks 7.0
    windriver vxworks 6.9.4.1
    windriver vxworks 6.8.3