VDB-106233 · CVE-2017-6631 · BID 100672

Yes Set-top Box on Cisco HTTP Remote Procedure Call Request resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Yes Set-top Box on Cisco. The affected element is an unknown function of the component HTTP Remote Procedure Call. Performing a manipulation as part of Request results in resource management. This vulnerability was named CVE-2017-6631. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Yes Set-top Box on Cisco (affected version unknown). It has been classified as problematic. This affects an unknown functionality of the component HTTP Remote Procedure Call. The manipulation as part of a Request leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

A vulnerability in the HTTP remote procedure call (RPC) service of set-top box (STB) receivers manufactured by Cisco for Yes could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists because the firmware of an affected device fails to handle certain XML values that are passed to the HTTP RPC service listening on the local subnet of the device. An attacker could exploit this vulnerability by submitting a malformed request to an affected device. A successful attack could cause the affected device to restart, resulting in a DoS condition. Yes has updated the affected devices with firmware that addresses this vulnerability. Customers are not required to take action. Vulnerable Products: This vulnerability affects YesMaxTotal, YesMax HD, and YesQuattro STB devices. Cisco Bug IDs: CSCvd08812.

The bug was discovered 09/06/2017. The weakness was presented 09/07/2017 as cisco-sa-20170906-stb as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2017-6631 since 03/09/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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 $0-$5k.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100672†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2017 🔍
09/06/2017 +180 days 🔍
09/06/2017 +0 days 🔍
09/07/2017 +1 days 🔍
09/07/2017 +0 days 🔍
09/08/2017 +1 days 🔍
01/11/2021 +1221 days 🔍

Sourcesinfo

Advisory: cisco-sa-20170906-stb
Researcher: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6631 (🔍)
GCVE (CVE): GCVE-0-2017-6631
GCVE (VulDB): GCVE-100-106233
SecurityFocus: 100672

Entryinfo

Created: 09/08/2017 12:03
Updated: 01/11/2021 10:02
Changes: 09/08/2017 12:03 (54), 11/13/2019 17:04 (8), 01/11/2021 10:02 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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