National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-2851 Detail

Description

Format string vulnerability in the register_disk function in block/genhd.c in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and writing format string specifiers to /sys/module/md_mod/parameters/new_array in order to create a crafted /dev/md device name.

Source:  MITRE      Last Modified:  06/07/2013

Quick Info

CVE Dictionary Entry:
CVE-2013-2851
Original release date:
06/07/2013
Last revised:
03/26/2014
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.0 MEDIUM
Vector:
(AV:L/AC:H/Au:S/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
1.5
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
High
Authentication:
Required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html External Source SUSE SUSE-SU-2013:1473
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html External Source SUSE SUSE-SU-2013:1474
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html External Source SUSE openSUSE-SU-2013:1971
http://marc.info/?l=linux-kernel&m=137055204522556&w=2 External Source MLIST [linux-kernel] 20130606 [PATCH 1/8] block: do not pass disk names as format strings
http://rhn.redhat.com/errata/RHSA-2013-1645.html External Source REDHAT RHSA-2013:1645
http://rhn.redhat.com/errata/RHSA-2013-1783.html External Source REDHAT RHSA-2013:1783
http://rhn.redhat.com/errata/RHSA-2014-0284.html External Source REDHAT RHSA-2014:0284
http://www.debian.org/security/2013/dsa-2766 External Source DEBIAN DSA-2766
http://www.openwall.com/lists/oss-security/2013/06/06/13 External Source MLIST [oss-security] 20130606 Linux kernel format string flaws
http://www.ubuntu.com/usn/USN-1912-1 External Source UBUNTU USN-1912-1
http://www.ubuntu.com/usn/USN-1913-1 External Source UBUNTU USN-1913-1
http://www.ubuntu.com/usn/USN-1941-1 External Source UBUNTU USN-1941-1
http://www.ubuntu.com/usn/USN-1942-1 External Source UBUNTU USN-1942-1
https://bugzilla.redhat.com/show_bug.cgi?id=969515 Vendor Advisory External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=969515

Technical Details

Vulnerability Type (View All)

  • Format String Vulnerability (CWE-134)

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