Vulnerability Name:

CVE-2017-9804 (CCN-131401)

Assigned:2017-09-05
Published:2017-09-05
Updated:2019-10-03
Summary:In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.
Note: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.
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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 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:L/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): Low
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
5.0 Medium (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-9804

Source: CCN
Type: Apache Struts 2 Documentation S2-050
A regular expression Denial of Service when using URLValidator (similar to S2-044 & S2-047)

Source: CONFIRM
Type: Third Party Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt

Source: CONFIRM
Type: Patch, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html

Source: BID
Type: Third Party Advisory, VDB Entry
100612

Source: CCN
Type: BID-100612
Apache Struts CVE-2017-9804 Incomplete Fix Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039261

Source: XF
Type: UNKNOWN
apache-struts-cve20179804-dos(131401)

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20180629-0001/

Source: CONFIRM
Type: Patch, Vendor Advisory
https://struts.apache.org/docs/s2-050.html

Source: CCN
Type: Cisco Security Advisory cisco-sa-20170907-struts2
Multiple Vulnerabilities in Apache Struts 2 Affecting Cisco Products: September 2017

Source: CISCO
Type: Third Party Advisory
20170907 Multiple Vulnerabilities in Apache Struts 2 Affecting Cisco Products: September 2017

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-9804

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:struts:2.3.7:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.8:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.9:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.10:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.11:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.12:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.13:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.17:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.19:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.21:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.22:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.23:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.24.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.24.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.25:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.26:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.27:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.28:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.28.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.29:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.30:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.31:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.32:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.33:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5:beta1:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5:beta2:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5:beta3:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.8:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.9:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.10:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.10.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.12:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:apache:struts:2.3.14.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.13:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.2.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.8:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.7:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.12:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.16.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.24:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.24.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.28:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.30:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.10:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.11:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.12:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.8:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.10.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.13:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.14:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.14.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.16:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.24.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.28.1:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.29:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.31:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.32:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.33:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.34:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.9:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.10:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.11:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.14.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.15:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.17:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.19:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.20.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.21:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.22:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.23:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.24.2:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.25:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.26:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.3.27:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.16:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:apache:struts:2.5.9:*:*:*:*:*:*:*
  • AND
  • cpe:/a:cisco:unified_contact_center_enterprise:-:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unified_intelligent_contact_management_enterprise:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:20179804000
    V
    CVE-2017-9804 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-09-20
    BACK
    apache struts 2.3.7
    apache struts 2.3.8
    apache struts 2.3.9
    apache struts 2.3.10
    apache struts 2.3.11
    apache struts 2.3.12
    apache struts 2.3.13
    apache struts 2.3.14
    apache struts 2.3.14.1
    apache struts 2.3.14.2
    apache struts 2.3.14.3
    apache struts 2.3.15
    apache struts 2.3.15.1
    apache struts 2.3.15.2
    apache struts 2.3.15.3
    apache struts 2.3.16
    apache struts 2.3.16.1
    apache struts 2.3.16.2
    apache struts 2.3.16.3
    apache struts 2.3.17
    apache struts 2.3.19
    apache struts 2.3.20
    apache struts 2.3.20.1
    apache struts 2.3.20.2
    apache struts 2.3.21
    apache struts 2.3.22
    apache struts 2.3.23
    apache struts 2.3.24.2
    apache struts 2.3.24.3
    apache struts 2.3.25
    apache struts 2.3.26
    apache struts 2.3.27
    apache struts 2.3.28
    apache struts 2.3.28.1
    apache struts 2.3.29
    apache struts 2.3.30
    apache struts 2.3.31
    apache struts 2.3.32
    apache struts 2.3.33
    apache struts 2.5
    apache struts 2.5 beta1
    apache struts 2.5 beta2
    apache struts 2.5 beta3
    apache struts 2.5.1
    apache struts 2.5.2
    apache struts 2.5.3
    apache struts 2.5.4
    apache struts 2.5.5
    apache struts 2.5.6
    apache struts 2.5.7
    apache struts 2.5.8
    apache struts 2.5.9
    apache struts 2.5.10
    apache struts 2.5.10.1
    apache struts 2.5.12
    apache struts 2.3.14.3
    apache struts 2.3.13
    apache struts 2.3.14
    apache struts 2.3.15
    apache struts 2.3.15.3
    apache struts 2.2.3.1
    apache struts 2.3.8
    apache struts 2.3.7
    apache struts 2.3.1.2
    apache struts 2.3.1.1
    apache struts 2.3.12
    apache struts 2.3.14.2
    apache struts 2.3.14.1
    apache struts 2.3.15.1
    apache struts 2.3.16
    apache struts 2.3.15.2
    apache struts 2.3.16.1
    apache struts 2.3.16.2
    apache struts 2.3.16.3
    apache struts 2.3.20
    apache struts 2.3.24
    apache struts 2.3.24.1
    apache struts 2.3.28
    apache struts 2.3.30
    apache struts 2.5
    apache struts 2.5.10
    apache struts 2.5.11
    apache struts 2.5.12
    apache struts 2.5.5
    apache struts 2.5.1
    apache struts 2.5.2
    apache struts 2.5.8
    apache struts 2.5.10.1
    apache struts 2.5.13
    apache struts 2.5.14
    apache struts 2.5.14.1
    apache struts 2.5.16
    apache struts 2.3.20.1
    apache struts 2.3.20.3
    apache struts 2.3.24.3
    apache struts 2.3.28.1
    apache struts 2.3.29
    apache struts 2.3.31
    apache struts 2.3.32
    apache struts 2.3.33
    apache struts 2.3.34
    apache struts 2.3.9
    apache struts 2.3.10
    apache struts 2.3.11
    apache struts 2.3.14.3
    apache struts 2.3.15
    apache struts 2.3.17
    apache struts 2.3.19
    apache struts 2.3.20.2
    apache struts 2.3.21
    apache struts 2.3.22
    apache struts 2.3.23
    apache struts 2.3.24.2
    apache struts 2.3.25
    apache struts 2.3.26
    apache struts 2.3.27
    apache struts 2.5.16
    apache struts 2.5.4
    apache struts 2.5.6
    apache struts 2.5.7
    apache struts 2.5.9
    cisco unified contact center enterprise -
    cisco unified intelligent contact management enterprise -