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contaoContao orgCONTAO:ARBITRARY-CODE-EXECUTION-IN-TCPDF
HistorySep 18, 2018 - 12:00 a.m.

Arbitrary code execution in TCPDF

2018-09-1800:00:00
Contao org
contao.org
16

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.267

Percentile

96.8%

Date: 2018-09-18 CVE ID: CVE-2018-17057

Description

CVE-2018-17057 identifies a security vulnerability in TCPDF, which also affects Contao. Through a manipulated image file, a logged in back end user can implant arbitrary code which is executed when an article is exported as PDF in the front end.

The vulnerability has been fixed in TCPDF 6.2.22.

Affected versions

Contao 3.* up to 3.5.35
Contao 4.1
Contao 4.2
Contao 4.3
Contao 4.4 up to 4.4.34
Contao 4.5
Contao 4.6 up to 4.6.3

Suggested solution

Update to TCPDF 6.2.22 or Contao 3.5.36, 4.4.25 or 4.6.4.

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.267

Percentile

96.8%