CVE-2021-44498: Null Pointer Dereference
First published: Fri Apr 15 2022(Updated: )
An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, attackers can cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| YottaDB | <=7.0-000 | |
| debian/fis-gtm | <=6.3-014-3 | 7.0-005-1 7.1-006-1 |
| <=7.0-000 |
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Reference Links
- https://sourceforge.net/projects/fis-gtm/files/
- https://gitlab.com/YottaDB/DB/YDB/-/issues/828
- http://tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44498
- https://nvd.nist.gov/vuln/detail/CVE-2021-44498
- https://launchpad.net/bugs/cve/CVE-2021-44498
- https://security-tracker.debian.org/tracker/CVE-2021-44498
- https://ubuntu.com/security/CVE-2021-44498
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-44498.
What software is affected by this vulnerability?
The GT.M software versions up to and including V7.0-000 are affected by this vulnerability.
What is the severity rating of CVE-2021-44498?
The severity rating of CVE-2021-44498 is high, with a severity value of 7.5.
How can attackers exploit this vulnerability?
Attackers can exploit this vulnerability by using crafted input to cause a type to be incorrectly initialized in the function f_incr in sr_port/f_incr.c and cause a crash due to a NULL pointer dereference.
Are there any references related to this vulnerability?
Yes, you can find more information about this vulnerability at the following references: [Reference 1](http://tinco.pair.com/bhaskar/gtm/doc/articles/GTM_V7.0-002_Release_Notes.html), [Reference 2](https://gitlab.com/YottaDB/DB/YDB/-/issues/828), [Reference 3](https://sourceforge.net/projects/fis-gtm/files/).
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