CVE-2019-1712

Cisco IOS XR Software Protocol Independent Multicast Denial of Service Vulnerability

Description

A vulnerability in the Protocol Independent Multicast (PIM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the PIM process to restart, resulting in a denial of service condition on an affected device. The vulnerability is due to the incorrect processing of crafted AutoRP packets. An attacker could exploit this vulnerability by sending crafted packets to port UDP 496 on a reachable IP address on the device. A successful exploit could allow the attacker to cause the PIM process to restart. Software versions prior to 6.2.3, 6.3.2, 6.4.0, and 6.5.1 are affected.

Category

5.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XR Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-iosxr-pim-dos vendor advisory
http://www.securityfocus.com/bid/108025 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-1712?
CVE-2019-1712 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1712?
To fix CVE-2019-1712, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1712 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1712 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1712?
CVE-2019-1712 affects Cisco Cisco IOS XR Software.
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