7.5 - CVE-2014-3677

Executive Summary

Informations
Name	CVE-2014-3677	First vendor Publication	2014-10-22
Vendor	Cve	Last vendor Modification	2021-04-07

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:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score	7.5	Attack Range	Network
Cvss Impact Score	6.4	Attack Complexity	Low
Cvss Expoit Score	10	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3677

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:27612

Oval ID:	oval:org.mitre.oval:def:27612
Title:	RHSA-2014:1801 -- shim security update (Moderate)
Description:	Shim is the initial UEFI bootloader that handles chaining to a trusted full bootloader under secure boot environments. A heap-based buffer overflow flaw was found the way shim parsed certain IPv6 addresses. If IPv6 network booting was enabled, a malicious server could supply a crafted IPv6 address that would cause shim to crash or, potentially, execute arbitrary code. (CVE-2014-3676) An out-of-bounds memory write flaw was found in the way shim processed certain Machine Owner Keys (MOKs). A local attacker could potentially use this flaw to execute arbitrary code on the system. (CVE-2014-3677) An out-of-bounds memory read flaw was found in the way shim parsed certain IPv6 packets. A specially crafted DHCPv6 packet could possibly cause shim to crash, preventing the system from booting if IPv6 booting was enabled. (CVE-2014-3675) Red Hat would like to thank the SUSE Security Team for reporting these issues. All shim users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect.
Family:	unix	Class:	patch
Reference(s):	RHSA-2014:1801 CVE-2014-3675 CVE-2014-3676 CVE-2014-3677	Version:	3
Platform(s):	Red Hat Enterprise Linux 7	Product(s):	shim shim-signed
Definition Synopsis:
The operating system installed on the system is Red Hat Enterprise Linux 7 Packages match section mokutil is earlier than 0:0.7-8.el7_0 AND shim is earlier than 0:0.7-8.el7_0 AND shim-debuginfo is earlier than 0:0.7-8.el7_0 AND shim-unsigned is earlier than 0:0.7-8.el7_0

Definition Id: oval:org.mitre.oval:def:27799

Oval ID:	oval:org.mitre.oval:def:27799
Title:	ELSA-2014-1801 -- shim security update (moderate)
Description:	shim [0.7-8.0.1] - update Oracle Linux certificates (Alexey Petrenko) - replace securebootca.cer (Alexey Petrenko) [0.7-8] - out-of-bounds memory read flaw in DHCPv6 packet processing Resolves: CVE-2014-3675 - heap-based buffer overflow flaw in IPv6 address parsing Resolves: CVE-2014-3676 - memory corruption flaw when processing Machine Owner Keys (MOKs) Resolves: CVE-2014-3677 [0.7-7] - Use the right key for ARM Aarch64. [0.7-6] - Preliminary build for ARM Aarch64. shim-signed [0.7-8.0.1] - Oracle Linux certificates (Alexey Petrenko) [0.7-8] - out-of-bounds memory read flaw in DHCPv6 packet processing Resolves: CVE-2014-3675 - heap-based buffer overflow flaw in IPv6 address parsing Resolves: CVE-2014-3676 - memory corruption flaw when processing Machine Owner Keys (MOKs) Resolves: CVE-2014-3677 [0.7-5.2] - Get the right signatures on shim-redhat.efi Related: rhbz#1064449 [0.7-5.1] - Update for signed shim for RHEL 7 Resolves: rhbz#1064449
Family:	unix	Class:	patch
Reference(s):	ELSA-2014-1801 CVE-2014-3675 CVE-2014-3676 CVE-2014-3677	Version:	3
Platform(s):	Oracle Linux 7	Product(s):	shim
Definition Synopsis:
Oracle Linux 7.x Packages match section shim is earlier than 0:0.7-8.0.1.el7_0 AND shim-signed is earlier than 0:0.7-8.0.1.el7_0 AND mokutil is earlier than 0:0.7-8.0.1.el7_0 AND shim-unsigned is earlier than 0:0.7-8.0.1.el7_0

Definition Id: oval:org.mitre.oval:def:28644

Oval ID:	oval:org.mitre.oval:def:28644
Title:	SUSE-SU-2014:1619-1 -- Security update for shim (important)
Description:	shim has been updated to fix three security issues: * OOB read access when parsing DHCPv6 packets (remote DoS) (CVE-2014-3675). * Heap overflow when parsing IPv6 addresses provided by tftp:// DHCPv6 boot option (RCE) (CVE-2014-3676). * Memory corruption when processing user provided MOK lists (CVE-2014-3677). Security Issues: * CVE-2014-3675 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3675> * CVE-2014-3676 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3676> * CVE-2014-3677 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3677>
Family:	unix	Class:	patch
Reference(s):	SUSE-SU-2014:1619-1 CVE-2014-3675 CVE-2014-3676 CVE-2014-3677	Version:	3
Platform(s):	SUSE Linux Enterprise Server 11 SUSE Linux Enterprise Desktop 11	Product(s):	shim
Definition Synopsis:
SUSE Linux Enterprise Server 11 release section SUSE Linux Enterprise Server 11.x is installed AND gnu-efi is earlier than 0:3.0u-0.7.2 AND SUSE Linux Enterprise Server 11 and SUSE Linux Enterprise Desktop 11 release section Operation system section SUSE Linux Enterprise Server 11.x is installed AND SUSE Linux Enterprise Desktop 11.x is installed AND shim is earlier than 0:0.7.318.81ee561d-0.9.2

CPE : Common Platform Enumeration

Type	Description	Count
Application	Redhat Shim cpe:2.3:a:redhat:shim::::::::	1

Nessus® Vulnerability Scanner

Date	Description
2015-02-11	Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20141104_shim_on_SL7_x.nasl - Type : ACT_GATHER_INFO
2015-01-23	Name : The remote openSUSE host is missing a security update. File : openSUSE-2015-48.nasl - Type : ACT_GATHER_INFO
2014-12-15	Name : The remote SuSE 11 host is missing one or more security updates. File : suse_11_shim-2014-11-20-141119.nasl - Type : ACT_GATHER_INFO
2014-11-12	Name : The remote Fedora host is missing one or more security updates. File : fedora_2014-14058.nasl - Type : ACT_GATHER_INFO
2014-11-12	Name : The remote Fedora host is missing one or more security updates. File : fedora_2014-14059.nasl - Type : ACT_GATHER_INFO
2014-11-06	Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2014-1801.nasl - Type : ACT_GATHER_INFO
2014-11-05	Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2014-1801.nasl - Type : ACT_GATHER_INFO
2014-11-03	Name : The remote Fedora host is missing one or more security updates. File : fedora_2014-13581.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source	Url
BID	http://www.securityfocus.com/bid/70410
MLIST	http://www.openwall.com/lists/oss-security/2014/10/13/4
REDHAT	http://rhn.redhat.com/errata/RHSA-2014-1801.html
XF	https://exchange.xforce.ibmcloud.com/vulnerabilities/96989

Alert History

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Date	Informations
2021-05-04 12:33:50	Multiple Updates
2021-04-22 01:40:58	Multiple Updates
2021-04-07 17:22:47	Multiple Updates
2021-04-06 17:23:09	Multiple Updates
2020-05-23 00:41:11	Multiple Updates
2017-08-29 09:24:35	Multiple Updates
2015-02-12 13:23:57	Multiple Updates
2015-01-24 13:23:37	Multiple Updates
2014-12-16 13:25:20	Multiple Updates
2014-11-14 13:28:13	Multiple Updates
2014-11-13 13:27:05	Multiple Updates
2014-11-07 13:26:24	Multiple Updates
2014-11-06 13:28:21	Multiple Updates
2014-11-04 13:27:32	Multiple Updates
2014-10-23 17:22:27	Multiple Updates
2014-10-22 21:23:43	First insertion

Global Informations

Type	Count
Oval ID(s)	3
CPE ID(s)	1
Sources(s)	4
Nessus® Exploit(s)	8

	Related
7.5	RHSA-2014:1801
Info : listing not affected by your CVSS Env Score

Same Subject	Severity
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