Buffer overflow in Softmotions Iowow

CVE-2022-23462

IOWOW is a C utility library and persistent key/value storage engine. Versions 1.4.15 and prior contain a stack buffer overflow vulnerability that allows for Denial of Service (DOS) when it parses scientific notation numbers present in JSON. A patch for this issue is available at commit a79d31e4cff1d5a08f665574b29fd885897a28fd in the `master` branch of the repository. There are no workarounds other than applying the patch.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (47.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-23462?
CVE-2022-23462 is a medium-severity vulnerability in Softmotions Iowow, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2022-10-21.
How severe is CVE-2022-23462?
Medium severity. CVSS v3 base score is 6.2 out of 10.