Race Condition The advisory has been revoked - it doesn't affect any version of package openssh (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2010-OPENSSH-1032503
- published22 Aug 2018
- disclosed17 Aug 2018
Introduced: 17 Aug 2018
CVE-2018-15473 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-15473
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0011
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15473
- https://bugs.debian.org/906236
- https://www.debian.org/security/2018/dsa-4280
- https://lists.debian.org/debian-lts-announce/2018/08/msg00022.html
- https://security-tracker.debian.org/tracker/CVE-2018-15473
- https://www.exploit-db.com/exploits/45210/
- https://www.exploit-db.com/exploits/45233/
- https://www.exploit-db.com/exploits/45939/
- https://security.gentoo.org/glsa/201810-03
- https://github.com/openbsd/src/commit/779974d35b4859c07bc3cb8a12c74b43b0a7d1e0
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://security.netapp.com/advisory/ntap-20181101-0001/
- http://www.openwall.com/lists/oss-security/2018/08/15/5
- https://access.redhat.com/errata/RHSA-2019:0711
- https://access.redhat.com/errata/RHSA-2019:2143
- http://www.securityfocus.com/bid/105140
- http://www.securitytracker.com/id/1041487
- https://usn.ubuntu.com/3809-1/
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://www.exploit-db.com/exploits/45233
- https://github.com/trimstray/massh-enum