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Ruby 1.9.1 - WEBrick 'Terminal Escape Sequence in Logs' Command Injection
| Reporter | Title | Published | Views | Family All 77 |
|---|---|---|---|---|
 | CentOS 4 : ruby (CESA-2011:0908) | 15 Aug 201100:00 | – | nessus |
| CentOS 5 : ruby (CESA-2011:0909) | 29 Jun 201300:00 | – | nessus |
| Fedora 12 : ruby-1.8.6.383-6.fc12 (2010-0530) | 1 Jul 201000:00 | – | nessus |
| Fedora 11 : ruby-1.8.6.383-6.fc11 (2010-0533) | 1 Jul 201000:00 | – | nessus |
| GLSA-201001-09 : Ruby: Terminal Control Character Injection | 25 Feb 201000:00 | – | nessus |
| Mandriva Linux Security Advisory : ruby (MDVSA-2010:017) | 20 Jan 201000:00 | – | nessus |
| MiracleLinux 3 : ruby-1.8.5-19.1.0.1.AXS3 (AXSA:2011-226:01) | 14 Jan 202600:00 | – | nessus |
| Oracle Linux 4 : ruby (ELSA-2011-0908) | 12 Jul 201300:00 | – | nessus |
| Oracle Linux 5 : ruby (ELSA-2011-0909) | 12 Jul 201300:00 | – | nessus |
| Oracle Linux 8 : ruby:2.5 (ELSA-2023-7025) | 21 Nov 202300:00 | – | nessus |
10
source: https://www.securityfocus.com/bid/37710/info
Ruby WEBrick is prone to a command-injection vulnerability because it fails to adequately sanitize user-supplied input in log files.
Attackers can exploit this issue to execute arbitrary commands in a terminal.
Versions *prior to* the following are affected:
Ruby 1.8.6 patchlevel 388
Ruby 1.8.7 patchlevel 249
Ruby 1.9.1 patchlevel 378
The following example is available:
% xterm -e ruby -rwebrick -e 'WEBrick::HTTPServer.new(:Port=>8080).start' &
% wget http://www.example.com:8080/%1b%5d%32%3b%6f%77%6e%65%64%07%0aData
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21 Dec 2016 00:00Current
7High risk
Vulners AI Score7
CVSS 27.5
EPSS0.15684