Permissions, Privileges, and Access Controls in Linux kernel



| Updated: 2020-08-10
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-4300
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42533

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2013-4300

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The scm_check_creds function in net/core/scm.c in the Linux kernel before 3.11 performs a capability check in an incorrect namespace, which allows local users to gain privileges via PID spoofing.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 3.0 - 3.10.11

CPE2.3 External links

https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d661684cf6820331feae71146c35da83d794467e
https://www.openwall.com/lists/oss-security/2013/09/05/3
https://www.ubuntu.com/usn/USN-1995-1
https://www.ubuntu.com/usn/USN-1998-1
https://bugzilla.redhat.com/show_bug.cgi?id=1004736
https://github.com/torvalds/linux/commit/d661684cf6820331feae71146c35da83d794467e
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.11.bz2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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