CVE-2022-40278: Use After Free
First published: Thu Sep 08 2022(Updated: )
An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). createDB in security/provisioning/src/provisioningdatabasemanager.c has a missing sqlite3_free after sqlite3_exec, leading to a denial of service.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samsung TizenRT | =1.0-m1 | |
| Samsung TizenRT | =1.1 | |
| Samsung TizenRT | =2.0-gbm_m1 | |
| Samsung TizenRT | =2.0-m2 | |
| Samsung TizenRT | =3.0-gbm | |
| Samsung TizenRT | =3.1-pre |
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Reference Links
- https://github.com/Samsung/TizenRT/blob/f8f776dd183246ad8890422c1ee5e8f33ab2aaaf/external/iotivity/iotivity_1.2-rel/resource/csdk/security/provisioning/src/provisioningdatabasemanager.c#L103
- https://github.com/Samsung/TizenRT/blob/f8f776dd183246ad8890422c1ee5e8f33ab2aaaf/external/iotivity/iotivity_1.2-rel/resource/csdk/security/provisioning/src/provisioningdatabasemanager.c#L107
- https://github.com/Samsung/TizenRT/issues/5628
- https://www.sqlite.org/c3ref/exec.html
Frequently Asked Questions
What is the severity of CVE-2022-40278?
CVE-2022-40278 has been classified as a denial of service vulnerability.
How do I fix CVE-2022-40278?
To fix CVE-2022-40278, ensure the implementation includes necessary memory management practices, specifically adding sqlite3_free after sqlite3_exec calls.
Which versions of Samsung TizenRT are affected by CVE-2022-40278?
CVE-2022-40278 affects Samsung TizenRT versions 1.0-m1, 1.1, 2.0-gbm_m1, 2.0-m2, 3.0-gbm, and 3.1-pre.
What causes the denial of service in CVE-2022-40278?
The denial of service in CVE-2022-40278 is caused by a missing sqlite3_free call after executing sqlite3_exec.
Is there a workaround for CVE-2022-40278?
Currently, implementing proper memory management and ensuring that sqlite3_free is called correctly is the recommended approach to mitigate CVE-2022-40278.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/author
- agent/event
- agent/tags
- agent/description
- agent/first-publish-date
- agent/source
- vendor/samsung
- canonical/samsung tizenrt
- version/samsung tizenrt/1.0-m1
- version/samsung tizenrt/1.1
- version/samsung tizenrt/2.0-gbm_m1
- version/samsung tizenrt/2.0-m2
- version/samsung tizenrt/3.0-gbm
- version/samsung tizenrt/3.1-pre