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SpiderLabs Blog

[Honeypot Alert] Mass Joomla Component LFI Attacks Identified

Joomla Component LFI Vulnerabilities

Joomla has hundreds of Controller components. Check out the Joomla Extension site for examples. Unfortunately, the vast majority of these components have LFI vulnerabilities. The vulnerability details are pretty much the same -

  • The vulnerable page is "index.php".
  • The "option" parameter is set to "com_xxxxxx" where xxxx is the vulnerable component name.
  • Input passed via the "controller" parameter is not properly verified before being used to include files.
  • By appending URL-encoded NULL bytes, an attacker can specify any arbitrary local file.

Here is an example OSVDB Search Query for a listing of these vulnerabiities.

10437_8957f5d7-1d74-45ee-b740-40aecc3015a6

Honeypot Attack Probes Identified

Our daily honeypot analysis has identified a mass scanning campaign aimed at various Joomla Component Local File Inclusion (LFI) Vulnerabilities. Here are a few example attacks taken from today's honeypot logs:

109.75.169.20 - - [17/Nov/2011:17:48:15 +0900] "GET /index.php?option=com_bca-rss-syndicator&controller=../../../../../../../../../../../../../../../../../../../../../../../..//proc/self/environ%0000 HTTP/1.1" 404 224174.122.220.10 - - [17/Nov/2011:00:21:32 +0100] "GET /index.php?option=com_ckforms&controller=../../../../../../../../../../../../..//proc/self/environ%0000 HTTP/1.1" 404 304 "-" "Mozilla/4.0 (compatible; MSIE 4.01; Windows CE; PPC; 240x320)"72.47.211.229 - - [17/Nov/2011:10:14:27 +0900] "GET /index.php?option=com_cvmaker&controller=../../../../../../../../../../../../..//proc/self/environ%0000 HTTP/1.1" 404 216180.235.131.131 - - [17/Nov/2011:01:34:54 +0900] "GET /index.php?option=com_datafeeds&controller=../../../../../../../../../../../../..//proc/self/environ%0000 HTTP/1.1" 404 222

Notice that various components are targeted in the "option" parameter and that the a directory traversal attack is used in the "controller" parameter. The LFI data is attempting to enumerate the OS shell environment data.

Attack Statistics

  • Number of attacks seen: 1538
  • Number of unique attack sources: 45

Top 25 Joomla Component LFI Attacker Sources

# of Attacks IP Address Country Code Country Name Region Region Name City
491 180.235.131.131 AU Australia      
95 210.173.154.35 JP Japan      
86 74.50.25.165 US United States CA California Anaheim
80 91.121.87.48 FR France      
67 69.27.109.40 CA Canada SK Saskatchewan Saskatoon
58 46.105.98.146 FR France      
58 180.151.1.68 IN India 07 Delhi New Delhi
51 67.23.229.237 US United States NY New York New York
42 64.92.125.26 US United States CO Colorado Denver
42 182.255.0.200 ID Indonesia      
39 82.192.87.86 NL Netherlands 07 Noord-Holland Amsterdam
38 174.122.220.10 US United States TX Texas Houston
37 178.162.231.59 CA Canada      
36 72.47.211.229 US United States CA California Culver City
33 122.201.80.95 AU Australia 02 New South Wales Sydney
32 174.37.16.78 US United States TX Texas Dallas
31 64.13.224.234 US United States CA California Culver City
27 109.75.169.20 GB United Kingdom      
25 65.98.23.170 US United States CA California San Francisco
25 46.20.45.50 DE Germany      
24 193.106.93.131 RU Russian Federation      
16 85.36.63.35 IT Italy      
11 71.17.4.161 CA Canada SK Saskatchewan Lloydminster
10 50.73.66.4 US United States      
9 173.245.78.42 US United States CA California Fremont
8 92.60.124.128 ES Spain    

Joomla Components Targeted

Here is a listing of the various Joomla components that were targeted in today's attacks:

com_bca-rss-syndicatorcom_ccnewslettercom_ckformscom_cvmakercom_datafeedscom_dioneformwizardcom_dwgraphscom_fabrikcom_gadgetfactorycom_ganalyticscom_gcalendarcom_hsconfigcom_if_surfalertcom_janewscom_jfeedbackcom_joomlapicasa2com_joomlaupdatercom_joommailcom_jshoppingcom_juliaportfoliocom_jvehiclescom_jwhmcscom_linkrcom_mediqnacom_mmsblogcom_mscommentcom_mtfireeaglecom_ninjarsssyndicatorcom_onlineexamcom_orgchartcom_pcchesscom_propertiescom_rokdownloadscom_rpxcom_s5clanrostercom_sbsfilecom_sectionexcom_shoutboxcom_simpledownloadcom_smestoragecom_spsnewslettercom_svmapcom_sweetykeepercom_userstatuscom_webeecommentcom_weberpcustomercom_zimbcomment

Recommendations

If you are running Joomla applications, you should ensure that you are keeping up-to-date on patches and updates.

OWASP Joomla Vulnerability Scanner

OWASP has an open source Joomla Vulnerability Scanner Project that you should check out and run against your site.

OWASP ModSecurity Core Rule Set

The OWASP ModSecurity CRS includes generic directory traversal attack detections which should provide base level protections.

Commercial ModSecurity Rules From Trustwave

We have numerous virtual patches for Joomla applications including these Controller parameter LFI attacks in our commercial rules feed.

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