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2018-07 Security Bulletin: Junos OS: RPD crash when receiving a crafted BGP UPDATE (CVE-2018-0032)

  [JSA10866] Show Article Properties


Product Affected:
This issue affects Junos OS 16.1X65, 17.2X75, 17.3, 17.4
Problem:
The receipt of a crafted BGP UPDATE can lead to a routing process daemon (RPD) crash and restart. Repeated receipt of the same crafted BGP UPDATE can result in an extended denial of service condition for the device.

This issue only affects the specific versions of Junos OS listed within this advisory. Earlier releases are unaffected by this vulnerability.

This crafted BGP UPDATE does not propagate to other BGP peers.

Affected releases are Juniper Networks Junos OS:
  • 16.1X65 versions prior to 16.1X65-D47;
  • 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D110;
  • 17.3 versions prior to 17.3R1-S4, 17.3R2;
  • 17.4 versions prior to 17.4R1-S3, 17.4R2.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.  This issue was found during internal product security testing or research.

This issue has been assigned CVE-2018-0032.
 
Solution:
The following software releases have been updated to resolve this specific issue: 16.1X65-D47, 17.2X75-D110, 17.2X75-D91, 17.3R1-S4, 17.3R2, 17.4R1-S3, 17.4R2, 18.1R1, 18.2R1, 18.2X75-D5, and all subsequent releases.

This issue is being tracked as PR 1327708 which is visible on the Customer Support website.

Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).
 
Workaround:
There are no known workarounds for this issue.
 
Implementation:
Software Releases, patches and updates are available at https://www.juniper.net/support/downloads/
 
Modification History:
2018-07-11: Initial Publication

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."