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CVE-2014-9731

Date: August 31, 2015

The UDF filesystem implementation in the Linux kernel before 3.18.2 does not ensure that space is available for storing a symlink target's name along with a trailing \0 character, which allows local users to obtain sensitive information via a crafted filesystem image, related to fs/udf/symlink.c and fs/udf/unicode.c.

Language: C

Severity Score

Related Resources (17)

http://www.openwall.com/lists/oss-security/2015/06/03/4
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
https://bugzilla.redhat.com/show_bug.cgi?id=1228220
http://www.securityfocus.com/bid/75001
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
https://nvd.nist.gov/vuln/detail/CVE-2014-9731
https://github.com/torvalds/linux/commit/0e5cc9a40ada6046e6bc3bdfcd0c0d7e4b706b14
https://access.redhat.com/security/cve/CVE-2014-9731
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
https://source.android.com/security/bulletin/2017-07-01
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-9731
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0e5cc9a40ada6046e6bc3bdfcd0c0d7e4b706b14
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2
https://security-tracker.debian.org/tracker/CVE-2014-9731
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
https://www.mend.io/vulnerability-database/CVE-2014-9731

Severity Score

Weakness Type (CWE)

Code

CWE-17

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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