CVE-2021-36357
—CVSS 3.1
9.8 critical
EPSS
1%p66
Published
()
Modified
Description
An issue was discovered in OpenPOWER 2.6 firmware. unpack_timestamp() calls le32_to_cpu() for endian conversion of a uint16_t "year" value, resulting in a type mismatch that can truncate a higher integer value to a smaller one, and bypass a timestamp check. The fix is to use the right endian conversion function.
- Vendors
- openpowerfoundation
- Products
- skiboot
- Weakness
- CWE-681
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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