Bug 2309274 (CVE-2024-45305)

Summary: CVE-2024-45305 gix-path: Flaw in gix-path Crate could lead to misconfiguration and information leakage
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in the gix-path crate of the gitoxide project. This vulnerability allows less trusted repositories to be treated as more trusted or leaks sensitive information between repositories via misinterpretation of configuration scopes when executing git config to locate configuration files.
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Bug Depends On: 2309351, 2309352    
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Description OSIDB Bzimport 2024-09-02 18:20:48 UTC 
gix-path is a crate of the gitoxide project dealing with git paths and their conversions. `gix-path` executes `git` to find the path of a configuration file that belongs to the `git` installation itself, but mistakenly treats the local repository's configuration as system-wide if no higher scoped configuration is found. In rare cases, this causes a less trusted repository to be treated as more trusted, or leaks sensitive information from one repository to another, such as sending credentials to another repository's remote. In `gix_path::env`, the underlying implementation of the `installation_config` and `installation_config_prefix` functions calls `git config -l --show-origin` and parses the first line of the output to extract the path to the configuration file holding the configuration variable of highest scope. It is believed to be very difficult to exploit this vulnerability deliberately, due to the need either to anticipate a situation in which higher-scoped configuration variables would be absent, or to arrange for this to happen. Although any operating system may be affected, users running Apple Git on macOS are much less likely to be affected. This issue has been addressed in release version 0.10.10. All users are advised to upgrade.