CVE-2022-1212

Use-After-Free in str_escape in mruby/mruby in mruby/mruby

Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Affected

mruby · mruby/mruby

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 HUNTR

9.3 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.79% chance of exploitation in the next 30 days, 78th percentile

Published

2022-04-05

Updated

2024-08-02

Proof-of-concept exploits (1)

• https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abe

Security advisories

• mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6

References

• CVE Record
• NVD entry