VDB-132540 · CVE-2019-1760 · BID 107611

Cisco IOS XE PfRv3 Packet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS XE. Affected by this issue is some unknown functionality of the component PfRv3. The manipulation as part of Packet results in input validation. This vulnerability is known as CVE-2019-1760. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (affected version not known). It has been classified as problematic. Affected is some unknown functionality of the component PfRv3. The manipulation as part of a 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. CVE summarizes:

A vulnerability in Performance Routing Version 3 (PfRv3) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the affected device to reload. The vulnerability is due to the processing of malformed smart probe packets. An attacker could exploit this vulnerability by sending specially crafted smart probe packets at the affected device. A successful exploit could allow the attacker to reload the device, resulting in a denial of service (DoS) attack on an affected system.

The bug was discovered 03/27/2019. The weakness was published 03/28/2019 as cisco-sa-20190327-pfrv3 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2019-1760 since 12/06/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/17/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316403 (Cisco IOS XE Software Performance Routing Version 3 Denial of Service Vulnerability(cisco-sa-20190327-pfrv3)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-132539 and VDB-132536. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2018 🔍
03/27/2019 +111 days 🔍
03/28/2019 +1 days 🔍
03/28/2019 +0 days 🔍
08/17/2023 +1603 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190327-pfrv3
Status: Confirmed

CVE: CVE-2019-1760 (🔍)
GCVE (CVE): GCVE-0-2019-1760
GCVE (VulDB): GCVE-100-132540
SecurityFocus: 107611

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 03/28/2019 14:03
Updated: 08/17/2023 10:00
Changes: 03/28/2019 14:03 (61), 05/22/2020 12:21 (1), 08/17/2023 09:56 (3), 08/17/2023 10:00 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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