PT-2015-6093 · Filesystem In Userspace+2 · Fuse+2

Tavis Ormandy · Published 2015-05-20 · Updated 2024-06-15 · CVE-2015-3202

Positive Technologies (AI Summary)

CVSS v2.0

3.6

Low

Base vector

AV:L/AC:L/Au:N/C:N/I:P/A:P

Name of the Vulnerable Software and Affected Versions FUSE versions prior to 2.9.3-15

Description The issue arises from fusermount in FUSE not properly clearing the environment before invoking mount or umount as root. This allows local users to write to arbitrary files via a crafted LIBMOUNT MTAB environment variable that is used by mount's debugging feature.

Recommendations For versions prior to 2.9.3-15, update to version 2.9.3-15 or later to resolve the issue.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2015-3202

DLA-226-1

DLA-226-2

DLA-238-1

DSA-3266-1

DSA-3268-1

DSA-3268-2

MGASA-2015-0239

OPENSUSE-SU-2024:10378-1

SUSE-SU-2015:1024-1

SUSE-SU-2015:1053-1

SUSE-SU-2015_1024-1

SUSE-SU-2015_1053-1

USN-2617-1

USN-2617-2

USN-2617-3

Affected Products

Fuse

Suse

Ubuntu

References · 60

• 🔥 https://gist.github.com/taviso/ecb70eb12d461dd85cba · Exploit
• 🔥 http://openwall.com/lists/oss-security/2015/05/21/9 · Exploit
• 🔥 https://exploit-db.com/exploits/37089 · Exploit
• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160094.html · Vendor Advisory
• https://ubuntu.com/security/notices/USN-2617-2 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3266-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-3202 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/ntfs-3g · Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2015-06/msg00005.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2015-3202 · Security Note
• https://security-tracker.debian.org/tracker/DSA-3268-1 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3268-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-3202 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DSA-3266-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2015-0239.html · Security Note