Path traversal in mpdf



| Updated: 2020-12-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2011-5219
CWE-ID CWE-22
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 mpdf
Universal components / Libraries / Libraries used by multiple products

Vendor mpdf

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU43371

Risk: Medium

CVSSv4.0: 5.5 [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]

CVE-ID: CVE-2011-5219

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

Exploit availability: Yes

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

mpdf: 5.2

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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