CVE-2024-39894

Katalog CVE

CVSS 7.5 · High EPSS 1,6%

Kerentanan Time-of-check Time-of-use (TOCTOU) Race Condition. Skor CVSS 3.1 7.5 (High) menurut CISA ADP.

Deskripsi (NVD)

OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.

Rincian

Terbit di NVD

2 Juli 2024

Terakhir diubah

17 Juni 2026

Status NVD

Deferred

CVSS 3.1

7.5 (High), sumber CISA ADP
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 75,6% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• http://www.openwall.com/lists/oss-security/2024/07/03/6
• http://www.openwall.com/lists/oss-security/2024/07/23/4
• http://www.openwall.com/lists/oss-security/2024/07/23/6
• http://www.openwall.com/lists/oss-security/2024/07/28/3
• https://crzphil.github.io/posts/ssh-obfuscation-bypass/
• https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html
• https://news.ycombinator.com/item?id=41508530
• https://security.netapp.com/advisory/ntap-20240712-0004/
• https://www.openssh.com/txt/release-9.8
• https://www.openwall.com/lists/oss-security/2024/07/02/1
• http://seclists.org/fulldisclosure/2024/Sep/33
• https://www.freebsd.org/security/advisories/FreeBSD-SA-25:01.openssh.asc