CVE-2018-0020: Junos OS: rpd daemon cores due to malformed BGP UPDATE packet
Junos OS 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: 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D130 on SRX; 15.1X53 versions prior to 15.1X53-D66 on QFX10K; 15.1X53 versions prior to 15.1X53-D58 on EX2300/EX3400; 15.1X53 versions prior to 15.1X53-D233 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D471 on NFX; 16.1 versions prior to 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R7; 16.1X65 versions prior to 16.1X65-D47; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R2-S3, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2-S1, 17.2R3; 17.2X75 versions prior to 17.2X75-D70; 13.2 versions above and including 13.2R1. Versions prior to 13.2R1 are not affected. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. No other Juniper Networks products or platforms are affected by this issue.
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Frequently Asked Questions
What is the severity of CVE-2018-0020?
CVE-2018-0020 is classified as a medium severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2018-0020?
To mitigate CVE-2018-0020, you should upgrade to the latest version of Junos OS provided by Juniper Networks and apply relevant patches.
What are the affected software versions for CVE-2018-0020?
CVE-2018-0020 affects various versions of Junos OS including 15.1x49 and 14.1x53.
What impact does CVE-2018-0020 have on network devices?
CVE-2018-0020 can lead to the crash and restart of the routing process daemon, causing a denial of service.
Is my device vulnerable to CVE-2018-0020?
Devices running specific versions of Junos OS such as 15.1x49 and 14.1x53 may be vulnerable to CVE-2018-0020.