Описание
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
A vulnerability was found in the Linux kernel's generic WiFi ESSID handling implementation. The flaw allows a system to join a wireless network where the ESSID is longer than the maximum length of 32 characters, which can cause the system to crash or execute code.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Out of support scope | ||
| Red Hat Enterprise Linux 8 | kernel | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | ||
| Red Hat Enterprise Linux 6 | kernel | Fixed | RHSA-2020:0790 | 11.03.2020 |
| Red Hat Enterprise Linux 7 | kernel-rt | Fixed | RHSA-2020:0375 | 04.02.2020 |
| Red Hat Enterprise Linux 7 | kernel-alt | Fixed | RHSA-2020:0174 | 21.01.2020 |
| Red Hat Enterprise Linux 7 | kernel | Fixed | RHSA-2020:0374 | 04.02.2020 |
| Red Hat Enterprise Linux 7.2 Advanced Update Support | kernel | Fixed | RHSA-2020:0661 | 03.03.2020 |
| Red Hat Enterprise Linux 7.3 Advanced Update Support | kernel | Fixed | RHSA-2020:0653 | 03.03.2020 |
| Red Hat Enterprise Linux 7.3 Telco Extended Update Support | kernel | Fixed | RHSA-2020:0653 | 03.03.2020 |
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Дополнительная информация
Статус:
EPSS
8 High
CVSS3
Связанные уязвимости
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/w ...
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
Уязвимость функции cfg80211_mgd_wext_giwessid (net/wireless/wext-sme.c) ядра операционной системы Linux, позволяющая нарушителю выполнить произвольный код или вызвать отказ в обслуживании
EPSS
8 High
CVSS3