CVE-2020-23910 : Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function

Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.

Published 2023-07-18 14:15:11

Updated 2023-07-26 03:26:25

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-23910

Asn1c Project » Asn1c
Versions up to, including, (<=) 0.9.28
cpe:2.3:a:asn1c_project:asn1c:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.04%

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

~ 11 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/vlm/asn1c/issues/396

A stack overflow in genhash.c:506:7 causes Segmentation fault · Issue #396 · vlm/asn1c · GitHub
Exploit;Issue Tracking;Patch;Vendor Advisory

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