Out-of-bounds Read in F5 Njs

CVE-2020-24347

njs through 0.4.3, used in NGINX, has an out-of-bounds read in njs_lvlhsh_level_find in njs_lvlhsh.c.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Njs
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24347?: CVE-2020-24347 is a medium-severity vulnerability in F5 Njs, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-08-13.
How severe is CVE-2020-24347?: Medium severity. CVSS v3 base score is 5.5 out of 10.