Vulnerability Name:

CVE-2017-14251 (CCN-131424)

Assigned:2017-09-05
Published:2017-09-05
Updated:2017-12-04
Summary:Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-434
Vulnerability Consequences:Gain Access
References:Source: MISC
Type: UNKNOWN
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html

Source: MITRE
Type: CNA
CVE-2017-14251

Source: BID
Type: Third Party Advisory, VDB Entry
100620

Source: CCN
Type: BID-100620
TYPO3 'fileDenyPattern' Arbitrary Code Execution Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039295

Source: XF
Type: UNKNOWN
typo3-core-code-exec(131424)

Source: CCN
Type: TYPO3-CORE-SA-2017-007
Arbitrary Code Execution in TYPO3 CMS

Source: CONFIRM
Type: Exploit, Vendor Advisory
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:typo3:typo3:7.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.3:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.4:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.6:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.7:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.8:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.9:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.10:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.11:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.12:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.13:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.14:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.15:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.16:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.17:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.18:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.19:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.20:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.21:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:typo3:typo3:7.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:7.6.21:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    typo3 typo3 7.6.0
    typo3 typo3 7.6.1
    typo3 typo3 7.6.2
    typo3 typo3 7.6.3
    typo3 typo3 7.6.4
    typo3 typo3 7.6.5
    typo3 typo3 7.6.6
    typo3 typo3 7.6.7
    typo3 typo3 7.6.8
    typo3 typo3 7.6.9
    typo3 typo3 7.6.10
    typo3 typo3 7.6.11
    typo3 typo3 7.6.12
    typo3 typo3 7.6.13
    typo3 typo3 7.6.14
    typo3 typo3 7.6.15
    typo3 typo3 7.6.16
    typo3 typo3 7.6.17
    typo3 typo3 7.6.18
    typo3 typo3 7.6.19
    typo3 typo3 7.6.20
    typo3 typo3 7.6.21
    typo3 typo3 8.0.0
    typo3 typo3 8.0.1
    typo3 typo3 8.1.0
    typo3 typo3 8.1.1
    typo3 typo3 8.1.2
    typo3 typo3 8.2.0
    typo3 typo3 8.2.1
    typo3 typo3 8.3.0
    typo3 typo3 8.3.1
    typo3 typo3 8.4.0
    typo3 typo3 8.4.1
    typo3 typo3 8.5.0
    typo3 typo3 8.5.1
    typo3 typo3 8.6.0
    typo3 typo3 8.6.1
    typo3 typo3 8.7.0
    typo3 typo3 8.7.1
    typo3 typo3 8.7.2
    typo3 typo3 8.7.3
    typo3 typo3 8.7.4
    typo3 typo3 7.6.0
    typo3 typo3 8.0.0
    typo3 typo3 7.6.21
    typo3 typo3 8.7.4