AVM Fritz!Box 7490 6.80/6.83 PPPoE Packet Padding information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in AVM Fritz!Box 7490 6.80/6.83. It has been classified as problematic. This affects an unknown function of the component PPPoE Packet Padding Handler. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2017-8087. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in AVM Fritz!Box 7490 6.80/6.83 (Router Operating System). This affects an unknown code block of the component PPPoE Packet Padding Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Information Leakage in PPPoE Packet Padding in AVM Fritz!Box 7490 with Firmware versions Fritz!OS 6.80 and 6.83 allows physically proximate attackers to view slices of previously transmitted packets or portions of memory via via unspecified vectors.

The weakness was shared 10/22/2019. This vulnerability is uniquely identified as CVE-2017-8087 since 04/24/2017. Access to the local network is required for this attack. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

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

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

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

04/24/2017 🔍
10/22/2019 +911 days 🔍
10/22/2019 +0 days 🔍
01/17/2024 +1548 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2017-8087 (🔍)
GCVE (CVE): GCVE-0-2017-8087
GCVE (VulDB): GCVE-100-144009

Entryinfo

Created: 10/22/2019 21:03
Updated: 01/17/2024 14:04
Changes: 10/22/2019 21:03 (35), 10/22/2019 21:08 (18), 01/17/2024 14:04 (3)
Complete: 🔍
Cache ID: 216::103

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