# CVE-2018-15473: openssh-client: OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authentic...

CVE-2018-15473 is fixed in 5 products on 1 platform, first by openssh-client 1:7.6p1-4ubuntu0.1, released August 16, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-15473
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.9868
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 16, 2018

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | openssh-client Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.1 | [openssh-client 1:7.6p1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openssh-client-1-7.6p1-4ubuntu0.1.md) | Aug 16, 2018 |
| Linux | openssh-server Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.1 | [openssh-server 1:7.6p1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openssh-server-1-7.6p1-4ubuntu0.1.md) | Aug 16, 2018 |
| Linux | openssh-sftp-server Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.1 | [openssh-sftp-server 1:7.6p1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openssh-sftp-server-1-7.6p1-4ubuntu0.1.md) | Aug 16, 2018 |
| Linux | ssh Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.1 | [ssh 1:7.6p1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ssh-1-7.6p1-4ubuntu0.1.md) | Aug 16, 2018 |
| Linux | ssh-askpass-gnome Ubuntu 18.04.6 LTS (bionic) | 1:7.6p1-4ubuntu0.1 | [ssh-askpass-gnome 1:7.6p1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ssh-askpass-gnome-1-7.6p1-4ubuntu0.1.md) | Aug 16, 2018 |

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