Buffer overflow in Openbmc Project
CVE-2022-2809
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000
Affected products
- Openbmc Project — versions 2.10
- Openbmc-Project Openbmc
Weakness classification (CWE)
References
- github.com/openbmc/bmcweb (Product, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2809?
- CVE-2022-2809 is a high-severity vulnerability in Openbmc Project, classified under Heap-based Buffer Overflow. CVSS score: 8.2/10. Published 2022-10-27.
- How severe is CVE-2022-2809?
- High severity. CVSS v3 base score is 8.2 out of 10.