CVE-2016-6515

원문 설명

The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.

영향받는 소프트웨어

• OpenSSH ≤ 7.2 정확 일치

상세

공개일

2016-08-07

최종 수정

2026-06-17

CVSS 벡터

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-20

참고 자료

• cve.org/CVE-2016-6515
• nvd.nist.gov/vuln/detail/CVE-2016-6515
• openwall.com/lists/oss-security/2016/08/01/2
• packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.html
• www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• www.securityfocus.com/bid/92212
• www.securitytracker.com/id/1036487
• access.redhat.com/errata/RHSA-2017:2029
• cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
• github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97
• lists.debian.org/debian-lts-announce/2018/09/msg00010.html
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X...
• security.FreeBSD.org/advisories/FreeBSD-SA-17:06.openssh.asc