Junos OS 13.2R1 and later releases may be impacted by the receipt of a malformed BGP UPDATE which can lead to a routing process daemon (rpd) crash and restart. Receipt of a repeated malformed BGP UPDATEs can result in an extended denial of service condition for the device. This malformed BGP UPDATE does not propagate to other BGP peers.
Affected releases are Juniper Networks Junos OS:
Versions prior to 13.2R1 are not affected. This issue was found during internal product security testing or research.
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-2018-0020 .
The following software releases have been updated to resolve this specific issue: 14.1X53-D47, 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D130, 15.1X53-D233, 15.1X53-D471, 15.1X53-D58, 15.1X53-D66, 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R7, 16.1X65-D47, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R2-S3, 17.1R3, 17.2R1-S3, 17.2R2-S1, 17.2R3, 17.2X75-D70, 17.3R1 and all subsequent releases.
This issue is being tracked as 1299199 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)
Software Releases, patches and updates are available at https://www.juniper.net/support/downloads/ .
While there is no workaround, the risk associated with this issue can be mitigated by limiting BGP sessions only from trusted peers.