NULL Pointer Dereference in mJS JavaScript Engine
CVE-2021-33441

5.5MEDIUM

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
26 July 2022

What is CVE-2021-33441?

A vulnerability in the mJS JavaScript engine allows attackers to exploit a NULL pointer dereference in the exec_expr() function within mjs.c. This can lead to application crashes or unpredictable behavior, potentially facilitating further attacks on the system. Proper validation and error handling should be implemented to mitigate this issue.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

References

https://github.com/cesanta/mjs/issues/165
x_refsource_MISC
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f7...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.