CVE-2017-10617

Contrail: XML External Entity (XXE) vulnerability

Description

The ifmap service that comes bundled with Contrail has an XML External Entity (XXE) vulnerability that may allow an attacker to retrieve sensitive system files. Affected releases are Juniper Networks Contrail 2.2 prior to 2.21.4; 3.0 prior to 3.0.3.4; 3.1 prior to 3.1.4.0; 3.2 prior to 3.2.5.0. CVE-2017-10616 and CVE-2017-10617 can be chained together and have a combined CVSSv3 score of 5.8 (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).

Remediation

Solution:

  • The following software releases have been updated to resolve these specific issues: Contrail 2.21.4, 3.0.3.4, 3.1.4.0, 3.2.5.0 and all subsequent releases.

Workaround:

  • There are no viable workarounds. It is good security practice to limit the exploitable attack surface of critical infrastructure networking equipment. Use access lists or firewall filters to limit access only from trusted, administrative networks or hosts.

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 8.57% Top 10%
Vendor Advisory juniper.net
Affected: Juniper Networks Contrail
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA10819 vendor advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-wjp8-8qf6-vqmc third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-10617?
CVE-2017-10617 has been scored as a medium severity vulnerability.
How to fix CVE-2017-10617?
To fix CVE-2017-10617: The following software releases have been updated to resolve these specific issues: Contrail 2.21.4, 3.0.3.4, 3.1.4.0, 3.2.5.0 and all subsequent releases.
Is CVE-2017-10617 being actively exploited in the wild?
It is possible that CVE-2017-10617 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-10617?
CVE-2017-10617 affects Juniper Networks Contrail.
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