CVE-2016-6210: Infoleak
First published: Mon Jul 18 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openbsd Openssh | <=7.2 |
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Reference Links
- http://seclists.org/fulldisclosure/2016/Jul/51
- http://www.debian.org/security/2016/dsa-3626
- http://www.securityfocus.com/bid/91812
- http://www.securitytracker.com/id/1036319
- https://access.redhat.com/errata/RHSA-2017:2029
- https://access.redhat.com/errata/RHSA-2017:2563
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://security.gentoo.org/glsa/201612-18
- https://security.netapp.com/advisory/ntap-20190206-0001/
- https://www.exploit-db.com/exploits/40113/
- https://www.exploit-db.com/exploits/40136/
- https://www.openssh.com/txt/release-7.3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1357443
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/
- https://bugzilla.redhat.com/show_bug.cgi?id=1357442
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