CVE-2018-7749
First published: Mon Mar 12 2018(Updated: )
The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Asyncssh Project Asyncssh | <1.12.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2018-7749
- https://github.com/ronf/asyncssh/commit/c161e26cdc0d41b745b63d9f17b437f073bf7ba4
- https://groups.google.com/forum/#!msg/asyncssh-announce/57_5O7kiHSA/8BXZ_hxHAQAJ
- https://github.com/ronf/asyncssh/commit/16e6ebfa893167c7d9d3f6dc7a2c0d197e47f43a
- https://github.com/advisories/GHSA-97cv-6pjf-5f9q (Advisory)
- https://groups.google.com/forum/#%21msg/asyncssh-announce/57_5O7kiHSA/8BXZ_hxHAQAJ
- https://github.com/pypa/advisory-database/tree/main/vulns/asyncssh/PYSEC-2018-108.yaml
Frequently Asked Questions
What is CVE-2018-7749?
CVE-2018-7749 is a vulnerability in the SSH server implementation of AsyncSSH before version 1.12.1 that allows a customized SSH client to skip the authentication step.
What is the severity of CVE-2018-7749?
CVE-2018-7749 has a severity rating of 9.8 (critical).
How does CVE-2018-7749 impact affected software?
CVE-2018-7749 impacts the affected software by allowing a customized SSH client to bypass the authentication step, potentially leading to unauthorized access.
What is the recommended remedy for CVE-2018-7749?
The recommended remedy for CVE-2018-7749 is to update to version 1.12.1 of the AsyncSSH package.
Where can I find more information about CVE-2018-7749?
More information about CVE-2018-7749 can be found at the following references: [Link 1](https://nvd.nist.gov/vuln/detail/CVE-2018-7749), [Link 2](https://github.com/ronf/asyncssh/commit/c161e26cdc0d41b745b63d9f17b437f073bf7ba4), [Link 3](https://groups.google.com/forum/#!msg/asyncssh-announce/57_5O7kiHSA/8BXZ_hxHAQAJ).
- collector/github-advisory
- alias/GHSA-97cv-6pjf-5f9q
- alias/CVE-2018-7749
- collector/nvd-index
- agent/author
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/event
- agent/description
- agent/first-publish-date
- collector/github-advisory-latest
- source/GitHub
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/references
- collector/nvd-cve
- source/NVD
- agent/tags
- agent/trending
- package-manager/pip
- vendor/asyncssh project
- canonical/asyncssh project asyncssh