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Vulnerability Details : CVE-2012-1568

The ExecShield feature in a certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux (RHEL) 5 and 6 and Fedora 15 and 16 does not properly handle use of many shared libraries by a 32-bit executable file, which makes it easier for context-dependent attackers to bypass the ASLR protection mechanism by leveraging a predictable base address for one of these libraries.
Publish Date : 2013-03-01 Last Update Date : 2013-03-01
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
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 CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
1.9
AV:N/AC:L/Au:N/C:N/I:P/A:N 2012-03-17 2012-03-17
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2012:1426: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:23569 unix
ELSA-2013:0168: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:23456 unix
RHSA-2012:1426: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20121426 unix
RHSA-2012:1426: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:21532 unix
RHSA-2013:0168: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:20368 unix
RHSA-2013:0168: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20130168 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-2012-1568

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 15 Version Details Vulnerabilities
2 OS Fedoraproject Fedora 16 Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 5 Version Details Vulnerabilities
4 OS Redhat Enterprise Linux 6 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 2
Redhat Enterprise Linux 2

- References For CVE-2012-1568

http://openwall.com/lists/oss-security/2012/03/21/3
MLIST [oss-security] 20120321 Re: CVE request -- kernel: execshield: predictable ascii armour base address
http://scarybeastsecurity.blogspot.com/2012/03/some-random-observations-on-linux-aslr.html
http://www.openwall.com/lists/oss-security/2012/03/20/4
MLIST [oss-security] 20120320 Re: CVE request -- kernel: execshield: predictable ascii armour base address
https://bugzilla.redhat.com/show_bug.cgi?id=804947 CONFIRM
https://oss.oracle.com/git/?p=redpatch.git;a=commit;h=302a4fc15aebf202b6dffd6c804377c6058ee6e4 CONFIRM

- Metasploit Modules Related To CVE-2012-1568

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


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