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CVE-2013-4270

Good to know:

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Date: December 9, 2013

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Language: C

Severity Score

Related Resources (10)

https://people.canonical.com/~ubuntu-security/cve/CVE-2013-4270
http://www.ubuntu.com/usn/USN-2049-1
https://access.redhat.com/security/cve/CVE-2013-4270
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2433c8f094a008895e66f25bd1773cdb01c91d01
https://nvd.nist.gov/vuln/detail/CVE-2013-4270
https://github.com/torvalds/linux/commit/2433c8f094a008895e66f25bd1773cdb01c91d01
https://bugzilla.redhat.com/show_bug.cgi?id=1027752
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5
http://rhn.redhat.com/errata/RHSA-2014-0100.html
https://www.mend.io/vulnerability-database/CVE-2013-4270

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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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): LOW
Availability (A): NONE

CVSS v2

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

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