CVE-2016-6515
37Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 59%
from disclosure to weapon122 days
Published on NVDAug 7
1st PoC+122d
exploitation probability
59%top 1% of all CVEs
observed exploitation
nono source reports it
6 public exploit(s)
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.
Affected products
n/a · n/apublic PoCs found — 6
githubgithub.com/opsxcq/exploit-CVE-2016-6515★ 53githubgithub.com/jptr218/openssh_dos★ 1githubgithub.com/cved-sources/cve-2016-6515★ 0cve_referencepacketstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.htmlunverifiedcve_referencewww.exploit-db.com/exploits/40888/unverifiedexploitdbwww.exploit-db.com/exploits/40888unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://openwall.com/lists/oss-security/2016/08/01/2http://packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.htmlhttps://access.redhat.com/errata/RHSA-2017:2029https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdfhttps://github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97https://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/https://security.FreeBSD.org/advisories/FreeBSD-SA-17:06.openssh.aschttps://security.netapp.com/advisory/ntap-20171130-0003/https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03779en_ushttps://www.exploit-db.com/exploits/40888/