Описание
Use After Free in GitHub repository vim/vim prior to 8.2.
A heap use-after-free vulnerability was found in Vim's skipwhite() function of the src/charset.c file. This flaw occurs because of an uninitialized attribute value and freed memory in the spell command. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering a heap use-after-free that causes an application to crash and corrupt memory.
Отчет
Red Hat Product Security has rated this issue as having a Low security impact because the "victim" has to run an untrusted file IN SCRIPT MODE. Someone who is running untrusted files in script mode is equivalent to someone just taking a random python script and running it. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Меры по смягчению последствий
Untrusted vim scripts with -s [scriptin] are not recommended to run.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | vim | Not affected | ||
| Red Hat Enterprise Linux 7 | vim | Not affected | ||
| Red Hat Enterprise Linux 8 | vim | Not affected | ||
| Red Hat Enterprise Linux 9 | vim | Fix deferred |
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Дополнительная информация
Статус:
7.8 High
CVSS3
Связанные уязвимости
Use After Free in GitHub repository vim/vim prior to 8.2.
Use After Free in GitHub repository vim/vim prior to 8.2.
Use After Free in GitHub repository vim/vim prior to 8.2.
Use After Free in GitHub repository vim/vim prior to 8.2.
Уязвимость функции skipwhite() текстового редактора Vim, позволяющая нарушителю выполнить произвольный код
7.8 High
CVSS3