Skip to content
OpenAdvisories
Unscored Public exploit CVE-2019-5603 EUVD-2019-15178GHSA-jp53-6x44-rj2c

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1…

Published Jul 26, 2019 · Updated Aug 4, 2024 · Assigned by freebsd

Vendor: FreeBSD Product: FreeBSD

Description

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a malicious user to overflow the counter allowing access to files, directories, and sockets opened by processes owned by other users.

Affected products

VendorProductAffectedFixed
FreeBSD FreeBSD FreeBSD before 12.0-RELEASE-p8, before 11.3-RELEASE-p1, and before 11.2-RELEASE-p12 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • raymontag/CVE-2019-5603 ★ 1 · Mar 29, 2023

    Full LPE Exploit for CVE-2019-5603 / FreeBSD-SA-19:15.mqueuefs / FreeBSD-SA-19:24.mqueuefs

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References