Siemens syngo fastView BMP File Parser out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
8.3$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Siemens syngo fastView and classified as critical. Affected by this issue is some unknown functionality of the component BMP File Parser. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2021-42028. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Siemens syngo fastView (the affected version unknown). Affected by this vulnerability is an unknown part of the component BMP File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in syngo fastView (All versions). The affected application lacks proper validation of user-supplied data when parsing BMP files. This could result in an out-of-bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-14860)

The weakness was shared 01/04/2024. It is possible to read the advisory at siemens-healthineers.com. This vulnerability is known as CVE-2021-42028 since 10/06/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/04/2024).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Siemens AG): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

10/06/2021 🔍
01/04/2024 +820 days 🔍
01/04/2024 +0 days 🔍
01/24/2024 +20 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: siemens-healthineers.com
Status: Confirmed

CVE: CVE-2021-42028 (🔍)
GCVE (CVE): GCVE-0-2021-42028
GCVE (VulDB): GCVE-100-249679

Entryinfo

Created: 01/04/2024 12:54
Updated: 01/24/2024 08:27
Changes: 01/04/2024 12:54 (46), 01/24/2024 08:27 (1)
Complete: 🔍
Cache ID: 216::103

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