Описание
MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Buffer#clear in ext/msgpack/buffer.c leaves rmem_last, rmem_end, and rmem_owner stale after _msgpack_buffer_shift_chunk returns an rmem page to the shared pool, allowing a subsequent Buffer#write and a second MessagePack::Buffer to alias the page and disclose or corrupt cross-buffer data. This issue is fixed in version 1.8.2.
Ссылки
- Patch
- ExploitVendor Advisory
- ExploitVendor Advisory
Уязвимые конфигурации
EPSS
5.4 Medium
CVSS3
Дефекты
Связанные уязвимости
MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Buffer#clear in ext/msgpack/buffer.c leaves rmem_last, rmem_end, and rmem_owner stale after _msgpack_buffer_shift_chunk returns an rmem page to the shared pool, allowing a subsequent Buffer#write and a second MessagePack::Buffer to alias the page and disclose or corrupt cross-buffer data. This issue is fixed in version 1.8.2.
MessagePack for Ruby is an implementation of the MessagePack binary se ...
MessagePack::Buffer#clear Use-After-Free that Enables Cross-Buffer Disclosure
EPSS
5.4 Medium
CVSS3