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CVE-2026-32147

Опубликовано: 26 апр. 2026
Источник: msrc
EPSS Низкий

Описание

SFTP chroot bypass via path traversal in SSH_FXP_FSETSTAT

EPSS

Процентиль: 28%
0.00354
Низкий

Связанные уязвимости

CVSS3: 4.3
ubuntu
4 месяца назад

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP ssh (ssh_sftpd module) allows an authenticated SFTP user to modify file attributes outside the configured chroot directory. The SFTP daemon (ssh_sftpd) stores the raw, user-supplied path in file handles instead of the chroot-resolved path. When SSH_FXP_FSETSTAT is issued on such a handle, file attributes (permissions, ownership, timestamps) are modified on the real filesystem path, bypassing the root directory boundary entirely. Any authenticated SFTP user on a server configured with the root option can modify file attributes of files outside the intended chroot boundary. The prerequisite is that a target file must exist on the real filesystem at the same relative path. Note that this vulnerability only allows modification of file attributes; file contents cannot be read or altered through this attack vector. If the SSH daemon runs as root, this enables direct privilege escalat...

CVSS3: 4.3
nvd
4 месяца назад

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP ssh (ssh_sftpd module) allows an authenticated SFTP user to modify file attributes outside the configured chroot directory. The SFTP daemon (ssh_sftpd) stores the raw, user-supplied path in file handles instead of the chroot-resolved path. When SSH_FXP_FSETSTAT is issued on such a handle, file attributes (permissions, ownership, timestamps) are modified on the real filesystem path, bypassing the root directory boundary entirely. Any authenticated SFTP user on a server configured with the root option can modify file attributes of files outside the intended chroot boundary. The prerequisite is that a target file must exist on the real filesystem at the same relative path. Note that this vulnerability only allows modification of file attributes; file contents cannot be read or altered through this attack vector. If the SSH daemon runs as root, this enables direct privilege escalat

CVSS3: 4.3
debian
4 месяца назад

Improper Limitation of a Pathname to a Restricted Directory ('Path Tra ...

suse-cvrf
2 месяца назад

Security update for erlang

suse-cvrf
3 месяца назад

Security update for erlang26

EPSS

Процентиль: 28%
0.00354
Низкий