Vulnerability CVE-2011-1577


Published: 2011-05-03   Modified: 2012-02-13

Description:
Heap-based buffer overflow in the is_gpt_valid function in fs/partitions/efi.c in the Linux kernel 2.6.38 and earlier allows physically proximate attackers to cause a denial of service (OOPS) or possibly have unspecified other impact via a crafted size of the EFI GUID partition-table header on removable media.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Denial-of-service vulnerability in EFI partition handling code of the Linux kernel
Timo Warns
05.05.2011

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Kernel 
Linux -> Linux kernel 

 References:
http://downloads.avaya.com/css/P8/documents/100145416
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html
http://openwall.com/lists/oss-security/2011/04/12/17
http://openwall.com/lists/oss-security/2011/04/13/1
http://rhn.redhat.com/errata/RHSA-2011-0833.html
http://securityreason.com/securityalert/8238
http://securitytracker.com/id?1025355
http://www.securityfocus.com/archive/1/517477/100/0/threaded
http://www.securityfocus.com/bid/47343
http://www.spinics.net/lists/mm-commits/msg83274.html
https://bugzilla.redhat.com/show_bug.cgi?id=695976
https://exchange.xforce.ibmcloud.com/vulnerabilities/66773

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