Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Linux kernel (Xenial HWE) vulnerabilities
Informations
Name USN-3753-2 First vendor Publication 2018-08-24
Vendor Ubuntu Last vendor Modification 2018-08-24
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description: - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty

Details:

USN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS.

It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. (CVE-2017-13168)

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10876, CVE-2018-10879)

Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10877)

Wen Xu discovered that an out-of-bounds write vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10878, CVE-2018-10882)

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep meta-data information consistent in some situations. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10881)

Shankara Pailoor discovered that the JFS filesystem implementation in the Linux kernel contained a buffer overflow when handling extended attributes. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-12233)

Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly handle an error condition with a corrupted xfs image. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13094)

It was discovered that the Linux kernel did not properly handle setgid file creation when performed by a non-member of the group. A local attacker could use this to gain elevated privileges. (CVE-2018-13405)

Silvio Cesare discovered that the generic VESA frame buffer driver in the Linux kernel contained an integer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-13406)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 LTS:
linux-image-4.4.0-1028-aws 4.4.0-1028.31
linux-image-4.4.0-134-generic 4.4.0-134.160~14.04.1
linux-image-4.4.0-134-generic-lpae 4.4.0-134.160~14.04.1
linux-image-4.4.0-134-lowlatency 4.4.0-134.160~14.04.1
linux-image-4.4.0-134-powerpc-e500mc 4.4.0-134.160~14.04.1
linux-image-4.4.0-134-powerpc-smp 4.4.0-134.160~14.04.1
linux-image-4.4.0-134-powerpc64-emb 4.4.0-134.160~14.04.1
linux-image-4.4.0-134-powerpc64-smp 4.4.0-134.160~14.04.1
linux-image-aws 4.4.0.1028.28
linux-image-generic-lpae-lts-xenial 4.4.0.134.114
linux-image-generic-lts-xenial 4.4.0.134.114
linux-image-lowlatency-lts-xenial 4.4.0.134.114
linux-image-powerpc-e500mc-lts-xenial 4.4.0.134.114
linux-image-powerpc-smp-lts-xenial 4.4.0.134.114
linux-image-powerpc64-emb-lts-xenial 4.4.0.134.114
linux-image-powerpc64-smp-lts-xenial 4.4.0.134.114

After a standard system update you need to reboot your computer to make all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.

References:
https://usn.ubuntu.com/usn/usn-3753-2
https://usn.ubuntu.com/usn/usn-3753-1
CVE-2017-13168, CVE-2018-10876, CVE-2018-10877, CVE-2018-10878,
CVE-2018-10879, CVE-2018-10881, CVE-2018-10882, CVE-2018-12233,
CVE-2018-13094, CVE-2018-13405, CVE-2018-13406

Package Information:
https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1028.31
https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-134.160~14.04.1

Original Source

Url : http://www.ubuntu.com/usn/USN-3753-2

CWE : Common Weakness Enumeration

% Id Name
27 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
18 % CWE-416 Use After Free
9 % CWE-732 Incorrect Permission Assignment for Critical Resource (CWE/SANS Top 25)
9 % CWE-476 NULL Pointer Dereference
9 % CWE-269 Improper Privilege Management
9 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)
9 % CWE-125 Out-of-bounds Read
9 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 136
Application 124
Application 126
Application 119
Application 145
Application 121
Application 89
Application 113
Application 138
Application 135
Application 139
Application 124
Application 99
Application 1
Application 1
Application 1
Hardware 7
Hardware 6
Os 5
Os 2
Os 2
Os 1
Os 3149
Os 1
Os 1
Os 2
Os 2
Os 2
Os 1
Os 2
Os 3
Os 3
Os 2

Nessus® Vulnerability Scanner

Date Description
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-50075276e8.nasl - Type : ACT_GATHER_INFO
2018-12-28 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1432.nasl - Type : ACT_GATHER_INFO
2018-12-11 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1406.nasl - Type : ACT_GATHER_INFO
2018-11-16 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2018-3083.nasl - Type : ACT_GATHER_INFO
2018-10-02 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-1_0-0188.nasl - Type : ACT_GATHER_INFO
2018-08-23 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-2_0-0083.nasl - Type : ACT_GATHER_INFO
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-1_0-0174.nasl - Type : ACT_GATHER_INFO
2018-08-16 Name : The remote Debian host is missing a security update.
File : debian_DLA-1466.nasl - Type : ACT_GATHER_INFO
2018-08-07 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2018-1051.nasl - Type : ACT_GATHER_INFO
2018-08-07 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-1048.nasl - Type : ACT_GATHER_INFO
2018-08-07 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4266.nasl - Type : ACT_GATHER_INFO
2018-08-03 Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZA-2018-049.nasl - Type : ACT_GATHER_INFO
2018-07-24 Name : The remote Fedora host is missing a security update.
File : fedora_2018-8484550fff.nasl - Type : ACT_GATHER_INFO
2018-07-20 Name : The remote Debian host is missing a security update.
File : debian_DLA-1423.nasl - Type : ACT_GATHER_INFO
2018-07-16 Name : The remote Debian host is missing a security update.
File : debian_DLA-1422.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2018-08-27 17:22:14
  • Multiple Updates
2018-08-24 09:19:37
  • First insertion