Vulnerability Name:

CVE-2019-19849 (CCN-173285)

Assigned:2019-12-17
Published:2019-12-17
Updated:2019-12-23
Summary:An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserialization. One exploitable scenario requires having the system extension ext:lowlevel (Backend Module: DB Check) installed, with a valid backend user who has administrator privileges. The other exploitable scenario requires having the system extension ext:sys_action installed, with a valid backend user who has limited privileges.
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
8.8 High (CCN 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 (CCN 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
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
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-502
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-19849

Source: XF
Type: UNKNOWN
typo3-cve201919849-code-exec(173285)

Source: MISC
Type: Vendor Advisory
https://review.typo3.org/q/%2522Resolves:+%252389005%2522+topic:security

Source: CCN
Type: TYPO3-CORE-SA-2019-026
Insecure Deserialization in Query Generator & Query View

Source: MISC
Type: Vendor Advisory
https://typo3.org/security/advisory/typo3-core-sa-2019-026/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-19849

Vulnerable Configuration:Configuration 1:
  • cpe:/a:typo3:typo3:*:*:*:*:*:*:*:* (Version < 8.7.30)
  • OR cpe:/a:typo3:typo3:*:*:*:*:*:*:*:* (Version >= 9.0.0 and < 9.5.12)
  • OR cpe:/a:typo3:typo3:*:*:*:*:*:*:*:* (Version >= 10.0.0 and < 10.2.2)

    • Configuration CCN 1:
  • cpe:/a:typo3:typo3:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:9.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:8.7.29:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:9.5.11:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:10.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:typo3:typo3:10.2.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    typo3 typo3 *
    typo3 typo3 *
    typo3 typo3 *
    typo3 typo3 8.0.0
    typo3 typo3 9.0.0
    typo3 typo3 8.7.29
    typo3 typo3 9.5.11
    typo3 typo3 10.0.0
    typo3 typo3 10.2.0