SB2024092726 - Fedora 39 update for cups, cups-browsed, libcupsfilters, libppd

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Missing Authorization (CVE-ID: CVE-2024-47176)

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

The vulnerability exists due to missing authorization. A remote attacker can introduce a malicious printer to the system by sending specially crafted packets to port 631/UDP and then execute arbitrary OS commands on the system when a print job is started.

2) Input validation error (CVE-ID: CVE-2024-47076)

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

The vulnerability exists due to cfGetPrinterAttributes5 does not sanitize IPP attributes returned from an IPP server. A remote attacker can provide controlled data to the rest of the CUPS system.

3) Input validation error (CVE-ID: CVE-2024-47175)

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.

4) Command Injection (CVE-ID: CVE-2024-47177)

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation in FoomaticRIPCommandLine. A remote unauthenticated attacker can use a specially crafted PPD file and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://bodhi.fedoraproject.org/updates/FEDORA-2024-cf6ab63871