CVE-2022-27008: f5 njs Classic Buffer Overflow

Vulnerability summary

CVE-2022-27008 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in f5 njs. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 14-04-2022
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

nginx njs 0.7.2 is vulnerable to Buffer Overflow. Type confused in Array.prototype.concat() when a slow array appended element is fast array.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.