Description
An issue was discovered in PDF24 Creator 11.14.0. The configuration of the msi installer file was found to produce a visible cmd.exe window when using the repair function of msiexec.exe. This allows an unprivileged local attacker to use a chain of actions (e.g., an oplock on faxPrnInst.log) to open a SYSTEM cmd.exe.
References
- 20231212 SEC Consult SA-20231211-0 :: Local Privilege Escalation via MSI installer in PDF24 Creator mailing-list
- http://packetstormsecurity.com/files/176206/PDF24-Creator-11.15.1-Local-Privilege-Escalation.html
- https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-msi-installer-in-pdf24-creator-geek-software-gmbh/