CVE-2022-0481 : NULL Pointer Dereference in Homebrew mruby prior to 3.2.

NULL Pointer Dereference in Homebrew mruby prior to 3.2.

Published 2022-02-04 23:15:13

Updated 2022-02-10 06:51:18

Source huntr.dev

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2022-0481

Mruby » Mruby
Versions before (<) 3.2
cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.10%

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

~ 43 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	huntr.dev
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None 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: security@huntr.dev (Primary)

https://huntr.dev/bounties/54725c8c-87f4-41b6-878c-01d8e0ee7027

NULL Pointer Dereference vulnerability found in mruby
Exploit;Third Party Advisory
https://github.com/mruby/mruby/commit/ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e

codegen.c: fixed a bug in hash code generation with `!val`. · mruby/mruby@ae3c997 · GitHub
Patch;Third Party Advisory

Jump to