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Vulnerability Details : CVE-2007-4571

The snd_mem_proc_read function in sound/core/memalloc.c in the Advanced Linux Sound Architecture (ALSA) in the Linux kernel before 2.6.22.8 does not return the correct write size, which allows local users to obtain sensitive information (kernel memory contents) via a small count argument, as demonstrated by multiple reads of /proc/driver/snd-page-alloc.
Publish Date : 2007-09-26 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2007-09-13 2007-09-25
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @ cvedetails.com

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2007-4571 oval:org.opensuse.security:def:20074571 unix
DSA-1479 linux-2.6 -- several vulnerabilities oval:org.mitre.oval:def:7654 unix
DSA-1479-1 linux-2.6 oval:org.mitre.oval:def:18770 unix
DSA-1505 alsa-driver -- kernel memory leak oval:org.mitre.oval:def:7957 unix
DSA-1505-1 alsa-driver alsa-modules-i386 - kernel memory leak oval:org.mitre.oval:def:18435 unix
ELSA-2007:0993: kernel security update (Important) oval:org.mitre.oval:def:21806 unix
RHSA-2007:0939: kernel security update (Important) oval:com.redhat.rhsa:def:20070939 unix
RHSA-2007:0993: kernel security update (Important) oval:com.redhat.rhsa:def:20070993 unix
The snd_mem_proc_read function in sound/core/memalloc.c in the Advanced Linux Sound Architecture (ALSA) in the Linux ker... oval:org.mitre.oval:def:9053 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-2007-4571

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.22.7 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2007-4571

http://secunia.com/advisories/26918
SECUNIA 26918
http://secunia.com/advisories/26980
SECUNIA 26980
http://secunia.com/advisories/26989
SECUNIA 26989
http://secunia.com/advisories/27101
SECUNIA 27101
http://secunia.com/advisories/27227
SECUNIA 27227
http://secunia.com/advisories/27436
SECUNIA 27436
http://secunia.com/advisories/27747
SECUNIA 27747
http://secunia.com/advisories/27824
SECUNIA 27824
http://secunia.com/advisories/29054
SECUNIA 29054
http://secunia.com/advisories/28626
SECUNIA 28626
http://www.debian.org/security/2008/dsa-1479
DEBIAN DSA-1479
http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm CONFIRM
http://www.redhat.com/support/errata/RHSA-2007-0939.html
REDHAT RHSA-2007:0939
http://www.novell.com/linux/security/advisories/2007_53_kernel.html
SUSE SUSE-SA:2007:053
http://www.debian.org/security/2008/dsa-1505
DEBIAN DSA-1505
http://www.frsirt.com/english/advisories/2007/3272
VUPEN ADV-2007-3272
http://www.securityfocus.com/bid/25807
BID 25807 Linux Kernel ALSA snd-page-alloc Local Proc File Information Disclosure Vulnerability Release Date:2008-06-20
http://www.redhat.com/support/errata/RHSA-2007-0993.html
REDHAT RHSA-2007:0993
http://www.securitytracker.com/id?1018734
SECTRACK 1018734
http://xforce.iss.net/xforce/xfdb/36780
XF linux-sndpagealloc-information-disclosure(36780)
https://issues.rpath.com/browse/RPL-1761 CONFIRM
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00083.html
FEDORA FEDORA-2007-714
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00436.html
FEDORA FEDORA-2007-2349
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=600
IDEFENSE 20070925 Linux Kernel ALSA snd_mem_proc_read Information Disclosure Vulnerability
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ccec6e2c4a74adf76ed4e2478091a311b1806212 CONFIRM
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.8 CONFIRM
http://secunia.com/advisories/30769
SECUNIA 30769
http://www.ubuntu.com/usn/usn-618-1
UBUNTU USN-618-1

- Metasploit Modules Related To CVE-2007-4571

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


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