Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS01ZzRyLTJxaHgtdnFmbc4AArZZ

Use of Uninitialized Variable in trilogy

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

Permalink: https://github.com/advisories/GHSA-5g4r-2qhx-vqfm
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS01ZzRyLTJxaHgtdnFmbc4AArZZ
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: over 1 year ago

CVSS Score: 5.9
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Percentage: 0.00133
EPSS Percentile: 0.49529

Identifiers: GHSA-5g4r-2qhx-vqfm, CVE-2022-31026
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

Repository: https://github.com/github/trilogy
Blast Radius: 8.0

Affected Packages