Xilinx Zynq-7000 SD Boot Image buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Xilinx Zynq-7000. Affected by this vulnerability is an unknown functionality of the component SD Boot Image Handler. Executing a manipulation can lead to buffer overflow. The identification of this vulnerability is CVE-2021-44850. The physical device can be targeted for the attack. There is no exploit available.

Detailsinfo

A vulnerability has been found in Xilinx Zynq-7000 (the affected version unknown) and classified as critical. This vulnerability affects an unknown part of the component SD Boot Image Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 02/11/2022. The advisory is available at support.xilinx.com. This vulnerability was named CVE-2021-44850 since 12/13/2021. The technical details are unknown and an exploit is not available.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

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

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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

12/13/2021 🔍
02/11/2022 +60 days 🔍
02/11/2022 +0 days 🔍
02/16/2022 +5 days 🔍

Sourcesinfo

Advisory: support.xilinx.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-44850 (🔍)
GCVE (CVE): GCVE-0-2021-44850
GCVE (VulDB): GCVE-100-192874

Entryinfo

Created: 02/11/2022 08:33
Updated: 02/16/2022 09:46
Changes: 02/11/2022 08:33 (36), 02/16/2022 09:42 (2), 02/16/2022 09:46 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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