Описание
Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
The Mozilla Foundation Security Advisory describes this flaw as:
When a BigInt was right-shifted the backing store was not properly cleared, allowing uninitialized memory to be read.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 6 | firefox | Out of support scope | ||
| Red Hat Enterprise Linux 6 | thunderbird | Out of support scope | ||
| Red Hat Enterprise Linux 7 | firefox | Fixed | RHSA-2020:5561 | 16.12.2020 |
| Red Hat Enterprise Linux 7 | thunderbird | Fixed | RHSA-2020:5618 | 17.12.2020 |
| Red Hat Enterprise Linux 8 | firefox | Fixed | RHSA-2020:5562 | 16.12.2020 |
| Red Hat Enterprise Linux 8 | thunderbird | Fixed | RHSA-2020:5624 | 17.12.2020 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | firefox | Fixed | RHSA-2020:5565 | 16.12.2020 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | thunderbird | Fixed | RHSA-2020:5645 | 21.12.2020 |
| Red Hat Enterprise Linux 8.1 Extended Update Support | firefox | Fixed | RHSA-2020:5564 | 16.12.2020 |
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Дополнительная информация
Статус:
EPSS
6.5 Medium
CVSS3
Связанные уязвимости
Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed ...
Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
Уязвимость обработчика JavaScript-сценариев V8 браузера Google Chrome, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации
EPSS
6.5 Medium
CVSS3