Improper Privilege Management in Debian Linux - CVE-2017-0358

Vulnerability details

The vulnerability allows a local authenticated user to execute arbitrary code.

Jann Horn of Google Project Zero discovered that NTFS-3G, a read-write NTFS driver for FUSE, does not scrub the environment before executing modprobe with elevated privileges. A local user can take advantage of this flaw for local root privilege escalation.

Affected software

How to mitigate CVE-2017-0358

Links to Public Exploits and PoC-codes

• Exploit #3708 - ntfs-3g - Unsanitized modprobe Environment Privilege Escalation (August 4, 2020)
• Exploit #3709 - ntfs-3g (Debian 9) - Privilege Escalation (August 4, 2020)
• Exploit #3681 - Debian/Ubuntu ntfs-3g Local Privilege Escalation (August 4, 2020)

External References

• http://www.openwall.com/lists/oss-security/2017/02/04/1
• http://www.securityfocus.com/bid/95987
• https://marc.info/?l=oss-security&m=148594671929354&w=2
• https://security.gentoo.org/glsa/201702-10
• https://www.debian.org/security/2017/dsa-3780
• https://www.exploit-db.com/exploits/41240/
• https://www.exploit-db.com/exploits/41356/

Related Security Bulletins

• Improper Privilege Management in Debian Linux
• Improper Privilege Management in ntfs-3g (Alpine package)
• Gentoo update for NTFS-3G