VDB-166716 · CVE-2020-35609 · TALOS-2020-1117

Microsoft Azure Sphere 20.05 ioctl Call memory corruption

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.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Microsoft Azure Sphere 20.05 and classified as critical. Affected by this vulnerability is an unknown functionality of the component ioctl Call Handler. The manipulation results in memory corruption. This vulnerability is identified as CVE-2020-35609. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Azure Sphere 20.05 (Cloud Software). Affected is an unknown code of the component ioctl Call Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/23/2020 as TALOS-2020-1117. The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2020-35609. 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 12/23/2020).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Microsoft

Name

Azure Sphere

Version

20.05

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/23/2020 🔍
12/23/2020 +0 days 🔍
12/23/2020 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: TALOS-2020-1117
Status: Not defined

CVE: CVE-2020-35609 (🔍)
GCVE (CVE): GCVE-0-2020-35609
GCVE (VulDB): GCVE-100-166716

Entryinfo

Created: 12/23/2020 10:04
Changes: 12/23/2020 10:04 (38)
Complete: 🔍
Cache ID: 216::103