What is CVE-2021-44493?

CVE-2021-44493 is a high-severity vulnerability in Fisglobal Gt.m, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-04-15.

How severe is CVE-2021-44493?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Fisglobal Gt.m

CVE-2021-44493

An issue was discovered in YottaDB through r1.32 and V7.0-000 and FIS GT.M through V7.0-000. Using crafted input, an attacker can cause a call to $Extract to force an signed integer holding the size of a buffer to take on a large negative number, which is then used as the length of a memcpy call that occurs on the stack, causing a buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fisglobal Gt.m
Yottadb
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2021-44493?: CVE-2021-44493 is a high-severity vulnerability in Fisglobal Gt.m, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-04-15.
How severe is CVE-2021-44493?: High severity. CVSS v3 base score is 7.5 out of 10.