CVE-2016-6210

原文の説明

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.

影響を受けるソフトウェア

• OpenSSH ≤ 7.2 完全一致

詳細

公開日

2017-02-13

最終更新

2026-06-17

CVSS ベクター

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-200

参考資料

• cve.org/CVE-2016-6210
• nvd.nist.gov/vuln/detail/CVE-2016-6210
• seclists.org/fulldisclosure/2016/Jul/51
• www.debian.org/security/2016/dsa-3626
• www.securityfocus.com/bid/91812
• www.securitytracker.com/id/1036319
• access.redhat.com/errata/RHSA-2017:2029
• access.redhat.com/errata/RHSA-2017:2563
• cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• security.gentoo.org/glsa/201612-18
• security.netapp.com/advisory/ntap-20190206-0001/
• www.exploit-db.com/exploits/40113/
• www.exploit-db.com/exploits/40136/
• www.openssh.com/txt/release-7.3