github/trilogy · Security
Use of Uninitialized Variable in trilogy
- GHSA ID
- GHSA-5g4r-2qhx-vqfm
- CVE ID
- CVE-2022-31026
- Severity
- medium
- Published
- Updated
- CVSS
- 5.9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 5.9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Impact
When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory.
Patches
Users of the trilogy gem should upgrade to version 2.1.1
Workarounds
This issue can be avoided by only connecting to trusted servers.
Acknowledgements
We would like to thank Sergei Volokitin for reporting this vulnerability
For more information
If you have any questions or comments about this advisory:
- Open an issue in trilogy
CWEs
- CWE-908 · Use of Uninitialized Resource
References
- https://github.com/github/trilogy/security/advisories/GHSA-5g4r-2qhx-vqfm ↗
- https://github.com/github/trilogy/commit/6bed62789eaf119902b0fe247d2a91d56c31a962 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2022-31026 ↗
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/trilogy/CVE-2022-31026.yml ↗
- https://github.com/advisories/GHSA-5g4r-2qhx-vqfm ↗