Pulse CMS 1.2.2 Arbitrary File Deletion Vulnerability

2010-03-29 / 2010-03-30
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-22


CVSS Base Score: 5.5/10
Impact Subscore: 4.9/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: None

====================================================================== Secunia Research 24/03/2010 - Pulse CMS Arbitrary File Deletion Vulnerability - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10 ====================================================================== 1) Affected Software * Pulse CMS basic version 1.2.2 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Moderately critical Impact: Manipulation of data Where: From remote ====================================================================== 3) Vendor's Description of Software "Pulse is a simple CMS designed for small websites. It enables you to take an existing site and add content management in five minutes.". Product Link: http://pulsecms.com/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in Pulse CMS, which can be exploited by malicious users to manipulate certain data. Input passed via the "f" parameter to delete.php is not properly sanitised before deleting files. This can be exploited to delete arbitrary files with the permissions of the web server via directory traversal attacks. Successful exploitation requires authentication. ====================================================================== 5) Solution Update to version 1.2.3. ====================================================================== 6) Time Table 19/03/2010 - Vendor notified. 19/03/2010 - Vendor response. 24/03/2010 - Public disclosure. ====================================================================== 7) Credits Discovered by Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2010-0989 for the vulnerability. ====================================================================== 9) About Secunia Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration: http://secunia.com/advisories/business_solutions/ Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security. http://secunia.com/advisories/ Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general: http://secunia.com/secunia_research/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/advisories/mailing_lists/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2010-48/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================

References:

http://www.securityfocus.com/bid/38947
http://www.securityfocus.com/archive/1/archive/1/510307/100/0/threaded
http://www.osvdb.org/63167
http://secunia.com/secunia_research/2010-48/
http://secunia.com/advisories/39011


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