CVE-2022-2809: Unauthenticated out of bounds heap write in bmcweb
First published: Fri Oct 07 2022(Updated: )
A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS.
Credit: openbmc-security@lists.ozlabs.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openbmc-project Openbmc | >=2.10.0<=2.13.0 |
Remedy
https://gerrit.openbmc.org/c/openbmc/bmcweb/+/56796
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Reference Links
Frequently Asked Questions
What is CVE-2022-2809?
CVE-2022-2809 is a vulnerability in the bmcweb component of OpenBMC Project that allows an attacker to cause a denial of service.
How does CVE-2022-2809 affect the OpenBMC Project?
CVE-2022-2809 affects OpenBMC Project version 2.10.0 to 2.13.0, allowing a user to cause a denial of service.
What is the severity of CVE-2022-2809?
The severity of CVE-2022-2809 is high with a CVSS score of 7.5.
How can I fix CVE-2022-2809?
To fix CVE-2022-2809, it is recommended to update the OpenBMC Project to a version higher than 2.13.0.
Where can I find more information about CVE-2022-2809?
More information about CVE-2022-2809 can be found at the OpenBMC Project GitHub repository: https://github.com/openbmc/bmcweb.
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