Resource exhaustion in Juniper Junos

CVE-2017-2348

The Juniper Enhanced jdhcpd daemon may experience high CPU utilization, or crash and restart upon receipt of an invalid IPv6 UDP packet. Both high CPU utilization and repeated crashes of the jdhcpd daemon can result in a denial of service as DHCP service is interrupted. No other Juniper Networks products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS 14.1X53 prior to 14.1X53-D12, 14.1X53-D38, 14.1X53-D40 on QFX, EX, QFabric System; 15.1 prior to 15.1F2-S18, 15.1R4 on all products and platforms; 15.1X49 prior to 15.1X49-D80 on SRX; 15.1X53 prior to 15.1X53-D51, 15.1X53-D60 on NFX, QFX, EX.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-2348: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

  • Juniper Junos — versions 14.1x53, 15.1, 15.1x49
  • Juniper Networks Junos OS — versions 15.1X49 prior to 15.1X49-D80, 15.1 prior to 15.1F2-S18, 15.1R4, 15.1X53 prior to 15.1X53-D51, 15.1X53-D60

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-2348?
CVE-2017-2348 is a high-severity vulnerability in Juniper Junos, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-07-17.
How severe is CVE-2017-2348?
High severity. CVSS v3 base score is 7.5 out of 10.