#VU97745 Input validation error in libppd - CVE-2024-47175

Vulnerability identifier: #VU97745

Vulnerability risk: High

CVSSv4.0: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-47175

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
libppd
Universal components / Libraries / Libraries used by multiple products

Vendor: OpenPrinting

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to ppdCreatePPDFromIPP2 does not sanitize IPP attributes when creating the PPD buffer. A remote attacker can inject attacker-controlled data in the resulting PPD.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libppd: 2.0 rc1 - 2.1b1

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External links
https://github.com/OpenPrinting/libppd/security/advisories/GHSA-7xfx-47qg-grp6
https://github.com/OpenPrinting/cups-browsed/security/advisories/GHSA-rj88-6mr5-rcw8
https://github.com/OpenPrinting/cups-filters/security/advisories/GHSA-p9rh-jxmq-gq47
https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-w63j-6g73-wmg5
https://www.cups.org
https://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I
https://github.com/OpenPrinting/libppd/releases/tag/2.1.0

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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, a fully functional exploit for this vulnerability is available.