Описание
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| gnutls28 | fixed | 3.6.3-1 | experimental | package |
| gnutls28 | fixed | 3.5.19-1 | package | |
| gnutls28 | fixed | 3.5.8-5+deb9u4 | stretch | package |
| gnutls26 | removed | package |
Примечания
https://gitlab.com/gnutls/gnutls/merge_requests/657
https://gitlab.com/gnutls/gnutls/commit/ce671a6db9e47006cff152d485091141b1569f39 (master)
The proposed fix is to introduce a new option to force encrypt-then-mac
instead of correcting the issue.
https://eprint.iacr.org/2018/747
Backport of the MR657 to 3.5.x: https://gitlab.com/gnutls/gnutls/merge_requests/663
EPSS
Связанные уязвимости
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
EPSS