Cisco IOS XR up to 6.2.2/6.3.1/6.5.0 Protocol Independent Multicast Crafted Packet input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco IOS XR up to 6.2.2/6.3.1/6.5.0. It has been rated as problematic. This impacts an unknown function of the component Protocol Independent Multicast. Performing a manipulation as part of Crafted Packet results in input validation. This vulnerability is identified as CVE-2019-1712. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability was found in Cisco IOS XR up to 6.2.2/6.3.1/6.5.0 (Router Operating System). It has been classified as problematic. This affects an unknown function of the component Protocol Independent Multicast. The manipulation as part of a Crafted Packet leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. The summary by CVE is:
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.
The bug was discovered 04/17/2019. The weakness was released 04/17/2019 as cisco-sa-20190417-iosxr-pim-do as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2019-1712 since 12/06/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 6.2.3, 6.3.2, 6.4.0 or 6.5.1 eliminates this vulnerability.
Entries connected to this vulnerability are available at VDB-133790 and VDB-133789. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 5.8
CNA Vector (Cisco Systems, Inc.): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: IOS XR 6.2.3/6.3.2/6.4.0/6.5.1
Timeline
12/06/2018 🔍04/17/2019 🔍
04/17/2019 🔍
04/18/2019 🔍
09/04/2023 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20190417-iosxr-pim-do
Status: Confirmed
CVE: CVE-2019-1712 (🔍)
GCVE (CVE): GCVE-0-2019-1712
GCVE (VulDB): GCVE-100-133791
SecurityFocus: 108025
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 04/18/2019 20:14Updated: 09/04/2023 12:24
Changes: 04/18/2019 20:14 (61), 05/30/2020 14:52 (1), 09/04/2023 12:16 (4), 09/04/2023 12:24 (11)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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