CVE-2019-16993

In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789	Patch Third Party Advisory
https://www.phpbb.com/community/viewtopic.php?t=2352606	Vendor Advisory
https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00036.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00006.html	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2019-09-30 05:15

Updated : 2019-11-21 05:34

NVD link : CVE-2019-16993

Mitre link : CVE-2019-16993

JSON object : View

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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Products Affected

debian

debian_linux

phpbb

phpbb

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