SB2012102504 - Path traversal in mpdf

Description

This security bulletin contains information about 1 vulnerability.

1) Path traversal (CVE-ID: CVE-2011-5219)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in examples/show_code.php in mPDF 5.3 and earlier. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to read arbitrary files via a . (dot dot) in the filename parameter.

Remediation

Install update from vendor's website.

References

• http://osvdb.org/77939
• http://secunia.com/advisories/47262
• http://www.exploit-db.com/exploits/18248
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71862