CVE-2021-30218 : samurai 1.2 has a NULL pointer dereference in writefile() in util.c via a crafte

samurai 1.2 has a NULL pointer dereference in writefile() in util.c via a crafted build file.

Published 2021-04-29 15:15:11

Updated 2021-05-03 18:02:22

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-30218

Samurai Project » Samurai » Version: 1.2
cpe:2.3:a:samurai_project:samurai:1.2:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

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

~ 26 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
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-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://github.com/michaelforney/samurai/issues/67

NULL pointer dereference in the writefile() function · Issue #67 · michaelforney/samurai · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://github.com/michaelforney/samurai/commit/e84b6d99c85043fa1ba54851ee500540ec206918

util: Check for NULL string in writefile · michaelforney/samurai@e84b6d9 · GitHub
Patch;Third Party Advisory

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