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2020-10 Security Bulletin: JSA Series: Intel CPUs could allow a local authenticated attacker to obtain sensitive information (CVE-2019-11135)

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Article ID: JSA11045 SECURITY_ADVISORIES Last Updated: 14 Oct 2020Version: 1.0
Product Affected:
This issue affects all versions of Juniper Secure Analytics.
Problem:

Juniper Networks JSA Series devices may be vulnerable to a TSX Asynchronous Abort condition on some Intel CPUs utilizing speculative execution. Exploitation of this vulnerability may allow an authenticated user to potentially enable information disclosure via a side channel with local access, allowing a local authenticated attacker to obtain sensitive information.

This issue was originally reported by Intel via INTEL-SA-00270.

This issue affects all Juniper Secure Analytics versions prior to 7.4.0.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

This issue has been assigned CVE-2019-11135.

 

Solution:

The following software releases have been updated to resolve this specific issue: Juniper Secure Analytics 7.4.0 and all subsequent releases.

This issue is being tracked as 1504859.
 

Workaround:

Use access lists or firewall filters to limit access to the device only from trusted hosts.

Limit access to only trusted system administrators.
 

Implementation:
Software releases or updates are available for download at https://www.juniper.net/support/downloads/.
 
Modification History:
2020-10-14: Initial Publication

CVSS Score:
6.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)
Severity Level:
Medium
Severity Assessment:
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."

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