Vulnerability CVE-2021-44509
Published: 2022-04-15

Description:
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, attackers can cause an integer underflow of the size of calls to memset in op_fnj3 in sr_port/op_fnj3.c in order to cause a segmentation fault and crash the application.

Type:

CWE-191

 (Integer Underflow (Wrap or Wraparound))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Fisglobal -> GT.M 

 References:
http://tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.html
https://sourceforge.net/projects/fis-gtm/files/
https://gitlab.com/YottaDB/DB/YDB/-/issues/828
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