CVE-2022-2809

Unauthenticated out of bounds heap write in bmcweb

Published Oct 27, 2022 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

https://gerrit.openbmc.org/c/openbmc/bmcweb/+/56796

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-35048 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.
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenBMC
Published
Updated
May 5, 2025, 8:20 PM
Reserved
Aug 13, 2022, 12:00 AM
Status
Modified
Published
Oct 27, 2022, 1:15 PM
Modified
Jun 17, 2026, 4:42 AM