CVE-2021-41413 : ok-file-formats master 2021-9-12 is affected by a buffer overflow in ok_jpg

ok-file-formats master 2021-9-12 is affected by a buffer overflow in ok_jpg_convert_data_unit_grayscale and ok_jpg_convert_YCbCr_to_RGB.

Published 2022-06-15 12:15:09

Updated 2022-06-23 13:21:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2021-41413

Ok-file-formats Project » Ok-file-formats » Version: 2021-9-12
cpe:2.3:a:ok-file-formats_project:ok-file-formats:2021-9-12:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.07%

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

~ 31 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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.

Assigned by: nvd@nist.gov (Primary)

https://github.com/brackeen/ok-file-formats/issues/20

bugs found in ok_jpg_convert_data_unit_grayscale and ok_jpg_convert_YCbCr_to_RGB via honggfuzz · Issue #20 · brackeen/ok-file-formats · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://github.com/brackeen/ok-file-formats

GitHub - brackeen/ok-file-formats: Decoders for PNG, JPEG, WAV, and a few other file formats
Third Party Advisory

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