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Vulnerability Details : CVE-2011-1678

smbfs in Samba 3.5.8 and earlier attempts to use (1) mount.cifs to append to the /etc/mtab file and (2) umount.cifs to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.
Publish Date : 2011-04-10 Last Update Date : 2017-08-17
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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)
CWE ID 20

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
3.3
AV:L/AC:M/Au:N/C:N/I:P/A:P 2011-03-01 2011-03-03
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2011-1220 -- samba3x security update (moderate) oval:org.mitre.oval:def:27406 unix
DEPRECATED: ELSA-2011-1221 -- samba and cifs-utils security and bug fix update (moderate) oval:org.mitre.oval:def:28111 unix
ELSA-2011:1219: samba security update (Moderate) oval:org.mitre.oval:def:23062 unix
ELSA-2011:1220: samba3x security update (Moderate) oval:org.mitre.oval:def:22774 unix
ELSA-2011:1221: samba and cifs-utils security and bug fix update (Moderate) oval:org.mitre.oval:def:23658 unix
RHSA-2011:1219: samba security update (Moderate) oval:org.mitre.oval:def:21483 unix
RHSA-2011:1219: samba security update (Moderate) oval:com.redhat.rhsa:def:20111219 unix
RHSA-2011:1220: samba3x security update (Moderate) oval:org.mitre.oval:def:21876 unix
RHSA-2011:1220: samba3x security update (Moderate) oval:com.redhat.rhsa:def:20111220 unix
RHSA-2011:1221: samba and cifs-utils security and bug fix update (Moderate) oval:org.mitre.oval:def:21745 unix
RHSA-2011:1221: samba and cifs-utils security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20111221 unix
VMware ESXi and ESX updates to third party library and ESX Service Console oval:org.mitre.oval:def:20644 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-2011-1678

# Product Type Vendor Product Version Update Edition Language
1 Application Samba Samba * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Samba Samba 1

- References For CVE-2011-1678

https://exchange.xforce.ibmcloud.com/vulnerabilities/66702
XF samba-smbfs-security-bypass(66702)
http://openwall.com/lists/oss-security/2011/03/31/3
MLIST [oss-security] 20110331 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://www.mandriva.com/security/advisories?name=MDVSA-2011:148
MANDRIVA MDVSA-2011:148
http://openwall.com/lists/oss-security/2011/03/04/12
MLIST [oss-security] 20110304 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/15/6
MLIST [oss-security] 20110315 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/31/4
MLIST [oss-security] 20110331 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/07/9
MLIST [oss-security] 20110307 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/04/9
MLIST [oss-security] 20110303 Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/04/01/2
MLIST [oss-security] 20110401 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/22/4
MLIST [oss-security] 20110322 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/14/16
MLIST [oss-security] 20110314 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/04/10
MLIST [oss-security] 20110304 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
https://bugzilla.redhat.com/show_bug.cgi?id=688980
http://openwall.com/lists/oss-security/2011/03/14/5
MLIST [oss-security] 20110314 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/05/3
MLIST [oss-security] 20110305 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/05/7
MLIST [oss-security] 20110305 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/04/11
MLIST [oss-security] 20110303 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/22/6
MLIST [oss-security] 20110322 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
http://openwall.com/lists/oss-security/2011/03/14/7
MLIST [oss-security] 20110314 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE

- Metasploit Modules Related To CVE-2011-1678

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


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