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2017-04 Security Bulletin: Junos: rpd crash due to crafted BGP UPDATE (CVE-2017-2313)

  [JSA10778] Show Article Properties


Product Affected:
This issue can affect any product or platform running Junos OS 15.1 or later with BGP enabled
Problem:
Junos OS 15.1 and later releases may be impacted by the receipt of a crafted BGP UPDATE which can lead to an rpd (routing process daemon) crash and restart.  Repeated crashes of the rpd daemon can result in an extended denial of service condition.

This issue only affects Junos OS 15.1 and later releases.  Releases prior to Junos OS 15.1 are unaffected by this vulnerability.

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

No other Juniper Networks products or platforms are affected by this issue.

This issue has been assigned CVE-2017-2313.
 
Solution:
The following software releases have been updated to resolve this specific issue: Junos OS 15.1F2-S15, 15.1F5-S7, 15.1F6-S5, 15.1F7, 15.1R4-S7, 15.1R5-S2, 15.1R6, 15.1X49-D38, 15.1X49-D48, 15.1X49-D78, 15.1X49-D80, 15.1X53-D230, 15.1X53-D63, 15.1X53-D70, 16.1R3-S3, 16.1R4, 16.2R1-S3, 16.2R2, 17.1R1, 17.2R1, and all subsequent releases.

This issue is being tracked as PR 1229868 and is visible on the Customer Support website.

KB16765 - "In which releases are vulnerabilities fixed?" describes which release vulnerabilities are fixed as per our End of Engineering and End of Life support policies.
 
Workaround:
No published workaround exists for this issue.
 
Implementation:
How to obtain fixed software:
Security vulnerabilities in Junos are fixed in the next available Maintenance Release of each supported Junos version. In some cases, a Maintenance Release is not planned to be available in an appropriate time-frame. For these cases, Service Releases are made available in order to be more timely. Security Advisory and Security Notices will indicate which Maintenance and Service  Releases contain fixes for the issues described. Upon request to JTAC, customers will be provided download instructions for a Service Release. Although Juniper does not provide formal Release Note documentation for a Service Release, a list of "PRs fixed" can be provided on request.
 
Modification History:
2017-04-12: Initial publication
2017-04-21: Additional fixed releases

Related Links:
CVSS Score:
7.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Risk Level:
High
Risk Assessment:
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."