Permissions, Privileges, and Access Controls in Debian Linux - CVE-2015-3202

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Main Vulnerability Database Vulnerabilities #VU40704

Permissions, Privileges, and Access Controls in Debian Linux - CVE-2015-3202

Published: July 3, 2015 / Updated: August 9, 2020


Vulnerability identifier: #VU40704
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2015-3202
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Debian
Affected software:
Debian Linux

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount's debugging feature.


How to mitigate CVE-2015-3202

Install update from vendor's website.

Sources