Vulnerability Description
OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | <= 7.7 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Netapp | Cn1610 Firmware | - |
| Netapp | Cn1610 | - |
| Netapp | Aff Baseboard Management Controller | - |
| Netapp | Cloud Backup | - |
| Netapp | Data Ontap Edge | - |
| Netapp | Fas Baseboard Management Controller | - |
| Netapp | Oncommand Unified Manager | >= 9.4 |
| Netapp | Ontap Select Deploy | - |
| Netapp | Service Processor | - |
| Netapp | Steelstore Cloud Integrated Storage | - |
| Netapp | Virtual Storage Console | >= 7.2 |
| Netapp | Clustered Data Ontap | - |
| Netapp | Data Ontap | - |
| Netapp | Vasa Provider | >= 7.2 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2018/08/15/5Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/105140Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041487Broken LinkPatchThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0711Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2143Third Party Advisory
- https://bugs.debian.org/906236Issue TrackingMailing ListPatch
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfPatchThird Party Advisory
- https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0Patch
- https://lists.debian.org/debian-lts-announce/2018/08/msg00022.htmlMailing ListThird Party Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0011Third Party Advisory
- https://security.gentoo.org/glsa/201810-03Third Party Advisory
- https://security.netapp.com/advisory/ntap-20181101-0001/Third Party Advisory
- https://usn.ubuntu.com/3809-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4280Third Party Advisory
- https://www.exploit-db.com/exploits/45210/ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2018-15473?
CVE-2018-15473 is a vulnerability with a CVSS score of 5.3 (MEDIUM). OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, rel...
How severe is CVE-2018-15473?
CVE-2018-15473 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-15473?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.