Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2012-2020)

high Nessus Plugin ID 68675
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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2012-2020 advisory.

- The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.
(CVE-2012-2136)

- The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR. (CVE-2012-2123)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2012-2020.html

Plugin Details

Severity: High

ID: 68675

File Name: oraclelinux_ELSA-2012-2020.nasl

Version: 1.15

Type: local

Agent: unix

Published: 7/12/2013

Updated: 9/8/2021

Dependencies: linux_alt_patch_detect.nasl, ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2012-2136

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:5, cpe:/o:oracle:linux:6, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek-headers, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.27.1.el5uek, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.27.1.el5uekdebug, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.27.1.el6uek, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.27.1.el6uekdebug, p-cpe:/a:oracle:linux:ofa-2.6.32-300.27.1.el5uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.27.1.el5uekdebug, p-cpe:/a:oracle:linux:ofa-2.6.32-300.27.1.el6uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.27.1.el6uekdebug

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2012

Vulnerability Publication Date: 4/20/2012

Reference Information

CVE: CVE-2012-1179, CVE-2012-2121, CVE-2012-2123, CVE-2012-2136, CVE-2012-2137, CVE-2012-2373