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Red Hat Security Advisory 2024-0215-03
Red Hat Security Advisory 2024-0215-03 - An update for GitPython is now available for Red Hat OpenStack Platform 17.1. Issues addressed include a local file inclusion vulnerability.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0215.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Moderate: Red Hat OpenStack Platform 17.1 (GitPython) security updateAdvisory ID: RHSA-2024:0215-03Product: Red Hat OpenStack PlatformAdvisory URL: https://access.redhat.com/errata/RHSA-2024:0215Issue date: 2024-01-16Revision: 03CVE Names: CVE-2023-41040====================================================================Summary: An update for GitPython is now available for Red Hat OpenStack Platform17.1 (Wallaby).Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.Description:GitPython is a python library used to interact with Git repositories.Security Fix(es):* Blind local file inclusion (CVE-2023-41040)For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVEpage listed in the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2023-41040References:https://access.redhat.com/security/updates/classification/#moderatehttps://bugzilla.redhat.com/show_bug.cgi?id=2247040Related news
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GitPython is a python library used to interact with Git repositories. In order to resolve some git references, GitPython reads files from the `.git` directory, in some places the name of the file being read is provided by the user, GitPython doesn't check if this file is located outside the `.git` directory. This allows an attacker to make GitPython read any file from the system. This vulnerability is present in https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/refs/symbolic.py#L174-L175. That code joins the base directory with a user given string without checking if the final path is located outside the base directory. This vulnerability cannot be used to read the contents of files but could in theory be used to trigger a denial of service for the program. This issue has not yet been addressed.
### Summary In order to resolve some git references, GitPython reads files from the `.git` directory, in some places the name of the file being read is provided by the user, GitPython doesn't check if this file is located outside the `.git` directory. This allows an attacker to make GitPython read any file from the system. ### Details This vulnerability is present in https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/refs/symbolic.py#L174-L175 That code joins the base directory with a user given string without checking if the final path is located outside the base directory. I was able to exploit it from three places, but there may be more code paths that lead to it: https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/repo/base.py#L605 https://github.com/gitpython-developers/GitPython/blob/1c8310d7cae144f74a671cbe17e51f63a830adbf/git/repo/base.py#L620 https://github.com/gitpython-d...