Buffer overflow in Fisglobal Gt.m
CVE-2021-44496
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.021 · change: +0.001
Affected products
Weakness classification (CWE)
References
- sourceforge.net/projects/fis-gtm/files/ (Product, Third Party Advisory)
- gitlab.com/YottaDB/DB/YDB/-/issues/828 (Patch, Third Party Advisory, Issue Tracking)
- tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.html (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2021-44496?
- CVE-2021-44496 is a critical-severity vulnerability in Fisglobal Gt.m, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2022-04-15.
- How severe is CVE-2021-44496?
- Critical severity. CVSS v3 base score is 9.8 out of 10.