CVE-2018-15473
MEDIUM severity · CVSS 5.3 · CWE-362
5.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)99%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2018/08/15/5 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2018/08/15/5Patch
- http://www.securitytracker.com/id/1041487Patch
- https://bugs.debian.org/906236Patch
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfPatch
- https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0Patch
- http://www.securityfocus.com/bid/105140Advisory
- https://access.redhat.com/errata/RHSA-2019:0711Advisory
- https://access.redhat.com/errata/RHSA-2019:2143Advisory