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McAfee Security Bulletin - Threat Intelligence Exchange Server 2.1.1 Hotfix 3 fixes Linux kernel stack clash vulnerabilities (CVE-2017-1000379 and CVE-2017-1000364)
Security Bulletins ID:   SB10229
Last Modified:  3/19/2018


First Published: March 19, 2018
 Impact of Vulnerability: Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)
 CVE ID: CVE-2017-1000379
 Severity Rating: Medium
 CVSS v3 Base/Temporal Scores: CVE-2017-1000379: 6.7 / 6.0
CVE-2017-1000364: 6.4 / 5.5
 Recommendations: Install or update to Threat Intelligence Exchange (TIE) Server 2.1.1 Hotfix 3
 Security Bulletin Replacement: None
 Affected Software: TIE Server 1.3.x, 2.0.x, 2.1.x
 Location of updated software: http://www.mcafee.com/us/downloads/downloads.aspx
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Article contents: Vulnerability Description
The Linux Kernel running on AMD64 systems will sometimes map the contents of PIE executable, the heap, or ld.so to where the stack is mapped allowing attackers to more easily manipulate the stack
An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed).
NOTE: The initial Linux kernel patch for CVE-2017-1000364, included in TIE Server 2.1.0 Hotfix 1, introduced a regression affecting rust and Java environments. The Linux kernel in TIE Server 2.1.1 Hotfix 3 contains additional patches that solve this issue and simplify the stack allocation validations that mitigate CVE-2017-1000364. See SB10207 for information about other vulnerabilities that TIE Server 2.1.0 Hotfix 1 addresses.
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
These issues are resolved in TIE Server 2.1.1 Hotfix 3.
Go to the Product Downloads site and download the applicable product hotfix file:
Product Versions Type File Name Release Date
TIE Server 1.3.x, 2.0.x, 2.1.x Hotfix TIE Server 2.1.1 Hotfix 3 March 15, 2018
Download and Installation Instructions
See KB56057 for instructions on how to download McAfee products, documentation, security updates, patches, and hotfixes. Review the Release Notes and the Installation Guide, which you can download from the Documentation tab, for instructions on how to install these updates.
None. Install the provided hotfix update.
Mitigations are provided along with the security fixes packaged in the hotfix release.
CVE-2017-1000379 and CVE-2017-1000364 were first disclosed by Qualys Research Labs.
Frequently Asked Questions (FAQs)
How do I know if my McAfee product is vulnerable or not?
For Endpoint products:
Use the following instructions for endpoint or client-based products:
  1. Right-click on the McAfee tray shield icon on the Windows taskbar.
  2. Select Open Console.
  3. In the console, select Action Menu.
  4. In the Action Menu, select Product Details. The product version is displayed.
For Appliances:
Use the following instructions for Appliance-based products:
  1. Open the Administrator's User Interface (UI).
  2. Click the About link. The product version is displayed.
What is CVSS?
CVSS, or Common Vulnerability Scoring System, is the result of the National Infrastructure Advisory Council’s effort to standardize a system of assessing the criticality of a vulnerability. This system offers an unbiased criticality score between 0 and 10 that customers can use to judge how critical a vulnerability is and plan accordingly. For more information, visit the CVSS website at: http://www.first.org/cvss/.
When calculating CVSS scores, McAfee has adopted a philosophy that fosters consistency and repeatability. Our guiding principle for CVSS scoring is to score the exploit under consideration by itself. We consider only the immediate and direct impact of the exploit under consideration. We do not factor into a score any potential follow-on exploits that might be made possible by the successful exploitation of the issue being scored.
What are the CVSS scoring metrics?
  1. CVE-2017-1000379
    Base Score 6.7
    Attack Vector (AV) Local (L)
    Attack Complexity (AC) Low (L)
    Privileges Required (PR) High (H)
    User Interaction (UI) None (N)
    Scope (S) Unchanged (U)
    Confidentiality (C) High (H)
    Integrity (I) High (H)
    Availability (A) High (H)
    Temporal Score (Overall) 6.0
    Exploitability (E) Functional (F)
    Remediation Level (RL) Official Fix (O)
    Report Confidence (RC) Reasonable (R)
    NOTE: The below CVSS version 3.0 vector was used to generate this score.
  1. CVE-2017-1000364
    Base Score 6.4
    Attack Vector (AV) Local (L)
    Attack Complexity (AC) High (H)
    Privileges Required (PR) High (H)
    User Interaction (UI) None (N)
    Scope (S) Unchanged (U)
    Confidentiality (C) High (H)
    Integrity (I) High (H)
    Availability (A) High (H)
    Temporal Score (Overall) 5.5
    Exploitability (E) Proof-of-Concept (P)
    Remediation Level (RL) Official Fix (O)
    Report Confidence (RC) Reasonable (R)
    NOTE: The below CVSS version 3.0 vector was used to generate this score.
Where can I find a list of all Security Bulletins or how do I report a product vulnerability?
All Security Bulletins are published on our external PSIRT website. Security Bulletins are retired once a product is both End of Life and End of Support.
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