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Vulnerability Details : CVE-2011-1833

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.
Publish Date : 2012-10-03 Last Update Date : 2014-03-07
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- CVSS Scores & Vulnerability Types

CVSS Score
3.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
3.3
AV:L/AC:M/Au:N/C:P/I:P/A:N 2011-08-01 2011-08-09
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1833 oval:org.opensuse.security:def:20111833 unix
ELSA-2011:1350: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23620 unix
ELSA-2011:1386: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23388 unix
RHSA-2011:1350: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111350 unix
RHSA-2011:1350: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:21992 unix
RHSA-2011:1386: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:21885 unix
RHSA-2011:1386: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111386 unix
VMware vSphere and vCOps updates to third party libraries oval:org.mitre.oval:def:20664 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-1833

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.0 RC4 Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.0 RC2 Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.0 RC5 Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.0 RC6 Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.0 RC3 Version Details Vulnerabilities
6 OS Linux Linux Kernel 3.0 RC1 Version Details Vulnerabilities
7 OS Linux Linux Kernel 3.0 RC7 Version Details Vulnerabilities
8 OS Linux Linux Kernel 3.0.1 Version Details Vulnerabilities
9 OS Linux Linux Kernel 3.0.2 Version Details Vulnerabilities
10 OS Linux Linux Kernel 3.0.3 Version Details Vulnerabilities
11 OS Linux Linux Kernel 3.0.4 Version Details Vulnerabilities
12 OS Linux Linux Kernel 3.0.5 Version Details Vulnerabilities
13 OS Linux Linux Kernel 3.0.6 Version Details Vulnerabilities
14 OS Linux Linux Kernel 3.0.7 Version Details Vulnerabilities
15 OS Linux Linux Kernel 3.0.8 Version Details Vulnerabilities
16 OS Linux Linux Kernel 3.0.9 Version Details Vulnerabilities
17 OS Linux Linux Kernel 3.0.10 Version Details Vulnerabilities
18 OS Linux Linux Kernel 3.0.11 Version Details Vulnerabilities
19 OS Linux Linux Kernel 3.0.12 Version Details Vulnerabilities
20 OS Linux Linux Kernel 3.0.13 Version Details Vulnerabilities
21 OS Linux Linux Kernel 3.0.14 Version Details Vulnerabilities
22 OS Linux Linux Kernel 3.0.15 Version Details Vulnerabilities
23 OS Linux Linux Kernel 3.0.16 Version Details Vulnerabilities
24 OS Linux Linux Kernel 3.0.17 Version Details Vulnerabilities
25 OS Linux Linux Kernel 3.0.18 Version Details Vulnerabilities
26 OS Linux Linux Kernel 3.0.19 Version Details Vulnerabilities
27 OS Linux Linux Kernel 3.0.20 Version Details Vulnerabilities
28 OS Linux Linux Kernel 3.0.21 Version Details Vulnerabilities
29 OS Linux Linux Kernel 3.0.22 Version Details Vulnerabilities
30 OS Linux Linux Kernel 3.0.23 Version Details Vulnerabilities
31 OS Linux Linux Kernel 3.0.24 Version Details Vulnerabilities
32 OS Linux Linux Kernel 3.0.25 Version Details Vulnerabilities
33 OS Linux Linux Kernel 3.0.26 Version Details Vulnerabilities
34 OS Linux Linux Kernel 3.0.27 Version Details Vulnerabilities
35 OS Linux Linux Kernel 3.0.28 Version Details Vulnerabilities
36 OS Linux Linux Kernel 3.0.29 Version Details Vulnerabilities
37 OS Linux Linux Kernel 3.0.30 Version Details Vulnerabilities
38 OS Linux Linux Kernel 3.0.31 Version Details Vulnerabilities
39 OS Linux Linux Kernel 3.0.32 Version Details Vulnerabilities
40 OS Linux Linux Kernel 3.0.33 Version Details Vulnerabilities
41 OS Linux Linux Kernel 3.0.34 Version Details Vulnerabilities
42 OS Linux Linux Kernel 3.0.35 Version Details Vulnerabilities
43 OS Linux Linux Kernel 3.0.36 Version Details Vulnerabilities
44 OS Linux Linux Kernel 3.0.37 Version Details Vulnerabilities
45 OS Linux Linux Kernel 3.0.38 Version Details Vulnerabilities
46 OS Linux Linux Kernel 3.0.39 Version Details Vulnerabilities
47 OS Linux Linux Kernel 3.0.40 Version Details Vulnerabilities
48 OS Linux Linux Kernel 3.0.41 Version Details Vulnerabilities
49 OS Linux Linux Kernel 3.0.42 Version Details Vulnerabilities
50 OS Linux Linux Kernel 3.0.43 Version Details Vulnerabilities
51 OS Linux Linux Kernel 3.0.44 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 51

- References For CVE-2011-1833

http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00009.html
SUSE SUSE-SU-2011:0898
http://www.ubuntu.com/usn/USN-1188-1
UBUNTU USN-1188-1
https://bugzilla.redhat.com/show_bug.cgi?id=731172 CONFIRM
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 CONFIRM
https://github.com/torvalds/linux/commit/764355487ea220fdc2faf128d577d7f679b91f97 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=764355487ea220fdc2faf128d577d7f679b91f97 CONFIRM

- Metasploit Modules Related To CVE-2011-1833

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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