Описание
Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Due to the way this function is used, we do not believe this leakage is enough to allow recovery of the private key when P-256 is used in any well known protocols.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| golang-1.24 | fixed | 1.24~rc3-1 | package | |
| golang-1.23 | fixed | 1.23.6-1 | package | |
| golang-1.22 | fixed | 1.22.12-1 | package | |
| golang-1.19 | removed | package | ||
| golang-1.19 | no-dsa | bookworm | package | |
| golang-1.15 | removed | package | ||
| golang-1.15 | ignored | bullseye | package |
Примечания
https://groups.google.com/g/golang-announce/c/xU1ZCHUZw3k
https://github.com/golang/go/issues/71383
https://github.com/golang/go/commit/6fc23a3cff5e38ff72923fee50f51254dcdc6e93 (go1.24rc3)
https://github.com/golang/go/commit/6644ed63b1e6ccc129647ef6b0d4647fdbe14056 (go1.23.6)
https://github.com/golang/go/commit/0cc45e7ca668b103c1055ae84402ad3f3425dd56 (go1.22.12)
Связанные уязвимости
Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Due to the way this function is used, we do not believe this leakage is enough to allow recovery of the private key when P-256 is used in any well known protocols.
Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Due to the way this function is used, we do not believe this leakage is enough to allow recovery of the private key when P-256 is used in any well known protocols.
Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Due to the way this function is used, we do not believe this leakage is enough to allow recovery of the private key when P-256 is used in any well known protocols.
Timing sidechannel for P-256 on ppc64le in crypto/internal/nistec
