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CVE-2011-1833

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Date: October 3, 2012

Race condition in the ecryptfs_mount function in fs/ecryptfs/main.c in the eCryptfs subsystem in the Linux kernel before 3.1 allows local users to bypass intended file permissions via a mount.ecryptfs_private mount with a mismatched uid.

Language: C

Severity Score

Related Resources (11)

http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00009.html
https://access.redhat.com/security/cve/CVE-2011-1833
https://github.com/torvalds/linux/commit/764355487ea220fdc2faf128d577d7f679b91f97
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=764355487ea220fdc2faf128d577d7f679b91f97
http://www.ubuntu.com/usn/USN-1188-1
https://nvd.nist.gov/vuln/detail/CVE-2011-1833
https://security-tracker.debian.org/tracker/CVE-2011-1833
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1833
https://bugzilla.redhat.com/show_bug.cgi?id=731172
https://www.mend.io/vulnerability-database/CVE-2011-1833

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Race Conditions

CWE-362

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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