Multiple vulnerabilities in Dompdf

Published: 2023-02-16

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-0085 CVE-2022-2400
CWE-ID	CWE-918 CWE-73
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Dompdf Web applications / Modules and components for CMS
Vendor	dompdf

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU72318

Risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0085

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Dompdf: 0.7.0 - 1.2.2

External links

http://github.com/dompdf/dompdf/commit/bb1ef65011a14730b7cfbe73506b4bb8a03704bd
http://huntr.dev/bounties/73dbcc78-5ba9-492f-9133-13bbc9f31236

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.

2) External Control of File Name or Path

EUVDB-ID: #VU72317

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2400

CWE-ID: CWE-73 - External Control of File Name or Path