Use-after-free Vulnerability in nginx njs by Nginx
CVE-2022-27007

9.8CRITICAL

Key Information:

Vendor

F5
Status
Njs
Vendor
CVE Published:
14 April 2022

What is CVE-2022-27007?

The nginx njs engine version 0.7.2 is vulnerable to a use-after-free issue in the njs_function_frame_alloc() function. This vulnerability can be exploited when invoking a function from a restored frame that was previously saved using njs_function_frame_save(). Attackers could potentially leverage this flaw to disrupt service or execute arbitrary code by manipulating function frames.

References

https://github.com/nginx/njs/issues/469
x_refsource_MISC
https://github.com/nginx/njs/commit/ad48705bf1f04b4221a5f...
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220519-0008/
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.