CVE-2021-38423 : All versions of GurumDDS improperly calculate the size to be used when allocatin

All versions of GurumDDS improperly calculate the size to be used when allocating the buffer, which may result in a buffer overflow.

Published 2022-05-05 17:15:09

Updated 2022-05-13 03:47:23

Source ICS-CERT

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2021-38423

EPSS FAQ

0.22%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 60 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.6	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H	1.8	4.7	ICS-CERT
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-131 Incorrect Calculation of Buffer Size

The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.

Assigned by: ics-cert@hq.dhs.gov (Primary)

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