Date: Thu, 3 Feb 2011 11:02:10 -0500 (EST) From: Josh Bressers <bressers@...hat.com> To: oss-security@...ts.openwall.com Cc: coley <coley@...re.org> Subject: Re: CVE Request: Zikula CMS 1.2.4 <= Cross Site Request Forgery (CSRF) Vulnerability Please use CVE-2011-0535. Thanks. -- JB ----- Original Message ----- > ===================================================================== > Zikula CMS 1.2.4 <= Cross Site Request Forgery (CSRF) Vulnerability > ===================================================================== > > > 1. OVERVIEW > > The Zikula 1.2.4 and lower versions were vulnerable to Cross Site > Request Forgery (CSRF). > > > 2. BACKGROUND > > Zikula is a Web Application Toolkit, which allows you to run > impressive websites and build powerful online applications. Zikula has > received praise for many things, but we belive the highlights are ease > of use, quick and easy development, security and performance and > lastly flexibility. > > > 3. VULNERABILITY DESCRIPTION > > Zikula CMS 1.2.4 and lower versions contain a flaw that allows a > remote Cross-site Request Forgery (CSRF / XSRF) attack. The flaw > exists because the application does not require multiple steps or > explicit confirmation for sensitive transactions for majority of > administrator functions such as adding new user, assigning user to > administrative privilege. By using a crafted URL, an attacker may > trick the victim into visiting to his web page to take advantage of > the trust relationship between the authenticated victim and the > application. Such an attack could trick the victim into executing > arbitrary commands in the context of their session with the > application, without further prompting or verification. > > > 4. VERSIONS AFFECTED > > 1.2.4 <= > > > 5. PROOF-OF-CONCEPT/EXPLOIT > > The following request escalates a normal user to an administrator. > > [REQUEST] > POST > /zikula/index.php?module=users&type=admin&func=processusers&op=edit > HTTP/1.1 > > authid=&userid=3&do=yes&access_permissions%5B%5D=2&access_permissions%5B%5D=1&uname=tester&email=tester%40yehg.net&pass=&vpass=&activated=1&theme=&submit= > [/REQUEST] > > > 6. SOLUTION > > Upgrade to Zikula 1.2.5 or higher > > > 7. VENDOR > > Zikula Foundation > http://zikula.org/ > > > 8. CREDIT > > This vulnerability was discovered by Aung Khant, http://yehg.net, YGN > Ethical Hacker Group, Myanmar. > > > 9. DISCLOSURE TIME-LINE > > 2010-12-24: notified vendor > 2011-01-25: vendor released fix > 2011-02-01: vulnerability disclosed > > > 10. REFERENCES > > Original Advisory URL: http://yehg.net/lab/pr0js/advisories/ > Vendor Released Info: > http://community.zikula.org/index.php?module=News&func=display&sid=3041&title=zikula-1.2.5-released > Zikula 1.2.5 Changlog: > http://code.zikula.org/core12/browser/tags/Zikula-1.2.5/src/docs/CHANGELOG > CSRF Wiki: > https://secure.wikimedia.org/wikipedia/en/wiki/Cross-site_request_forgery > > > #yehg [2011-02-01]
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