Category Archives: Potential Risk of CVE

My reflections – Why do we require complete artificial intelligence into daily life?

The important thing is to never stop questioning, said Albert Einstein.

Since there is no prefect design items in the world. and therefore bug fix or so called software patch update is the acceptable method. So when I heard Apple issued the security update for Siri (speech recognition application program). As usual I will be interested of the techincal details of the security update. But my consideration this time not on cyber security. My question is that why do we require complete artifical intelligence into daily life. As we know after Apple Siri, Microsoft launched Cortana, Amazon launched Alexa. The speech recongnition was significant success (see attached diagram). The aim of this function not target smartphone only. The major goal is integrate this function into Artifical Intellgence system. The situation of today technology world similar following circumstances. That is once we accept our limits, we go beyond them. But my personal opinion is that we are on the way go to simple thinking logical model. The logical thinking steps will be replaced and transfer to another parties.  In fact that it will enhace the security and operation effeciency. Meanwhile the resources in the world is limit. For instance the existing resources in normal non AI environment can be consume for 100 years. But when we integrate our life to AI, how long will be maintain in the consuming cycle?

Apple secuirty announcement reference – https://support.apple.com/en-hk/HT208848

June 13, 2018 – ISC Releases Security Advisory for BIND

 

Operating system · Linux, NetBSD, FreeBSD, OpenBSD, macOS, Windows · Type · DNS server · License · Mozilla Public License (ISC license before 9.11). Website, www.isc.org/downloads/bind. BIND is the most widely used Domain Name System (DNS).

ISC Releases Security Advisory for BIND Published Wednesday, June 13, 2018 – A remote attacker could exploit this vulnerability to obtain sensitive information.

Offical announcement – https://kb.isc.org/article/AA-01616/0/CVE-2018-5738

June 2018 – Cisco releases security update for their products

The marketing strategy of Cisco covered full scope of Cyber security and computer world. Since provides a wide angle of functional product features are hard to avoid vulnerabilities occurs. And therefore the security update are in frequent on the way. No harm! This is the IT world.

Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Session Initiation Protocol Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-multiplatform-sip

Cisco Adaptive Security Appliance Web Services Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-asaftd

Cisco AnyConnect Secure Mobility Client Certificate Bypass Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-AnyConnect-cert-bypass

The Enterprise Console in Cisco AppDynamics App iQ Platform before 4.4.3.10598 (HF4) allows SQL injection, aka the Security Advisory 2089 issue.

https://docs.appdynamics.com/display/PRO44/Release+Notes#ReleaseNotes-4.4.3.10598%28HF4%29Updates

Cisco FireSIGHT System VPN Policy Bypass Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-FireSIGHT-vpn-bypass

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ise-xss

Cisco Integrated Management Controller Supervisor and Cisco UCS Director DOM Stored Cross-Site Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucsdimcs

Cisco IOS XE Software Authentication, Authorization, and Accounting Login Authentication Remote Code Execution Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-aaa

Cisco Meeting Server Information Disclosure Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-cms-id

Cisco Network Services Orchestrator Arbitrary Command Execution Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-nso

Invalid Curve Attack – 2017

https://nodesecurity.io/advisories/324

https://github.com/cisco/node-jose

Cisco Prime Collaboration Provisioning Unauthorized Password Recovery Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-password-recovery

Cisco Prime Collaboration Provisioning Cleartext Passwords Written to World-Readable File Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-cpcp-id

Cisco Prime Collaboration Provisioning SQL Injection Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-sql

Cisco Prime Collaboration Provisioning Access Control Deficiency in Batch Function Privilege Escalation Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-escalation

Cisco Prime Collaboration Provisioning Unauthenticated Remote Method Invocation Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-rmi

Cisco Prime Collaboration Provisioning Access Control Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-access

Cisco Prime Collaboration Provisioning Unauthorized Password Reset Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-password-reset

Cisco Prime Collaboration Provisioning Access Control Bypass Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-bypass

Cisco Unified Communications Manager Cross-Site Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucm-xss

Cisco Unified Communications Manager Cross-Frame Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-cucm-xfs

Cisco Unified Computing System Role-Based Access Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucs-access

Cisco Unified IP Phone Software Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ip-phone-dos

Cisco Unity Connection Cross-Site Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-cuc-xss

Cisco Web Security Appliance Layer 4 Traffic Monitor Security Bypass Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-wsa

Cisco WebEx Cross-Site Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-webex-xss

Cisco WebEx Cross-Site Scripting Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-webex-xss1

Cisco Wide Area Application Services Software Disk Check Tool Privilege Escalation Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-waas-priv-escalation

Cisco Wide Area Application Services Software Static SNMP Credentials Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-waas-snmp

* Multiple Cisco Products Disk Utilization Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-diskdos

29th May 2018 – VMware security update – CVE-2018-6964

Found VMware Horizon Client (Linux) contains design weakness causes privilege escalation vulnerability. I speculate that the vulnerability only happened on Horizon client for Linux. And therefore it can’t bring the IT guy attention. But do not ignore this vulnerability. As we know, ESXi 6.5 could allow an autenticated VNC session to cause a heap overflow via specific set of VNC packes resulting in heap corruption. But hacker would exploit this deisgn bug. Meanwhile the environment must fulfill the requirement. VNC must be enabled. Apart from that ESXi must configured to allow VNC traffic through the build in firewall. As a matter of fact, IT operations would like to increase their fexibility. And sometimes enable this function in data center. If this is the way or you require to use VNC for remote access. Then you must stay alert.
If this is not a require function, it is recommend to disable it.

For the vulnerability details found on 29th May 2018. Techncial detials is shown as below:

VMSA-2018-0014: VMware Horizon Client update addresses a privilege escalation vulnerability – https://www.vmware.com/security/advisories/VMSA-2018-0014.html

June 2018 – Google Releases Security Update for Chrome

Content Security Policy (CSP) provides a standard HTTP header that allows website owners to declare approved sources of content that browsers should be allowed to load on that page.

Browser based XXS protection mechanism. Least privilege approach that whitelists content you trust. Nothing else will execute. Assumes that inline scripts are bad.

But………….

High CVE-2018-6148: Incorrect handling of CSP header

https://chromereleases.googleblog.com/search/label/Stable%20updates

May 2018 – Moodle security announcements

LMS (Learning Management System) become popular because it wasn’t limit learning area and time zone. Learner or student can start the tution when computer connect to internet. Such learning atomosphere are popular in the world. LMS not restricted to high school and university educations. It also covered internal training in business environment. Moodle is a free and open-source learning management system written in PHP and distributed under the GNU General Public License. Education authority can download the software onto your own web server. Moodle does not generate SCORM content. Moodle presents the content in SCORM packages to learners, and saves data from learner interactions with the SCORM package.

SCORM content can be delivered to learners via any SCORM-compliant Learning Management System (LMS) using the same version of SCORM.

The market share shown that Moodle open source growth in significant recently. However there are vulnerabilites occurs in Moodle. Now please download version 3.5 because it fixed the design bug. Bug details shown as below :

Portfolio script allows instantiation of class chosen by user – https://moodle.org/mod/forum/discuss.php?d=371204

User can shift a block from Dashboard to any page – https://moodle.org/mod/forum/discuss.php?d=371202

Users can download any file via portfolio assignment caller class – https://moodle.org/mod/forum/discuss.php?d=371200

Portfolio forum caller class allows a user to download any file – https://moodle.org/mod/forum/discuss.php?d=371201

Calculated question type allows remote code execution by Question authors – https://moodle.org/mod/forum/discuss.php?d=371199

June 06, 2018 – Cisco Releases Security Updates for Multiple Products

CVE-2018-0321 – Cisco Prime Collaboration Provisioning Unauthenticated Remote Method Invocation Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-rmi

CVE-2018-0315 – Cisco IOS XE Software Authentication, Authorization, and Accounting Login Authentication Remote Code Execution Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-aaa

CVE-2018-0353 – Cisco Web Security Appliance Layer 4 Traffic Monitor Security Bypass Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-wsa

CVE-2018-0320 – Cisco Prime Collaboration Provisioning SQL Injection Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-sql

CVE-2018-0318 – Cisco Prime Collaboration Provisioning Unauthorized Password Reset Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-password-reset

CVE-2018-0319 – Cisco Prime Collaboration Provisioning Unauthorized Password Recovery Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-password-recovery

CVE-2018-0317 – Cisco Prime Collaboration Provisioning Access Control Bypass Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-bypass

CVE-2018-0322 – Cisco Prime Collaboration Provisioning Access Control Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-prime-access

CVE-2018-0274 – Cisco Network Services Orchestrator Arbitrary Command Execution Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-nso

CVE-2018-0316 – Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Session Initiation Protocol Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-multiplatform-sip

CVE-2017-6779 – Multiple Cisco Products Disk Utilization Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-diskdos

CVE-2018-0263 – Cisco Meeting Server Information Disclosure Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-cms-id

CVE-2018-0296 – Cisco Adaptive Security Appliance Web Services Denial of Service Vulnerability

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-asaftd

The influence of CVE-2018-11235 more than expected. Even the Hyperledger project is included.

Git community disclosed a high serverity of vulnerabilies (CVE-2018-11235). Since the impact of this vulnerabilities might influence many software application.

The major design weakness of this vulnerability is that when you git clone a repository, there is some important configuration that you don’t get from the server includes .git/config file, and things like hooks, which are scripts that will be run at certain points within the git workflow. For instance, the post-checkout hook will be run anytime git checks files out into the working directory. As a result hacker can appended to $GIT_DIR/modules, leading to directory traversal with “../” in a name. Finally, post-checkout hooks from a submodule are executed, bypassing the intended design in which hooks are not obtained from a remote server. As a result, hacker has way to implant malware to the library.

This vulnerability also jeopardizing hyperledger project. Please refer to above diagram for reference.

For details of vulnerability. Please refer below:

https://nvd.nist.gov/vuln/detail/CVE-2018-11235

Solution

  • Examine submodule’s folder names closely.
  • No longer contain .. as a path segment, and they cannot be symbolic links.

The programming parameter must be within the .git repository folder.

4th June 2018 – SAML Authentication Bypass ((Symantec) CVE-2018-5241)

SAML for single sign-on (SSO) makes it possible for your users to authenticate through your company’s identity provider when they log in to Cloud computing platform. SSO allows a user to authenticate once and then access multiple products during their session, without needing to authenticate with each of those. Please be remind that SSO will only apply to normal user accounts instead of privilieges level user account.

Symantec Security Advisory (4th June 2018). So called SAML Authentication Bypass (CVE-2018-5241).

A remote attacker can modify a valid SAML response without invalidating its cryptographic signature. This may allow the attacker to bypass user authentication security controls in ASG and ProxySG.  For more details about this issue, please refer below url for reference.

https://support.symantec.com/en_US/article.SYMSA1450.html