All the vulnerabilites related to Eclipse Foundation - Eclipse JGit
cve-2023-4759
Vulnerability from cvelistv5
Published
2023-09-12 09:12
Modified
2024-08-02 07:37
Severity ?
EPSS score ?
Summary
Improper handling of case insensitive filesystems in Eclipse JGit allows arbitrary file write
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Eclipse Foundation | Eclipse JGit |
Version: 0.0.0 ≤ 6.6.0.202305301015-r |
|
|
|||
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"timestamp": "2024-07-19T03:55:38.083883Z",
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"url": "https://projects.eclipse.org/projects/technology.jgit/releases/6.6.1"
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"url": "https://git.eclipse.org/c/jgit/jgit.git/commit/?id=9072103f3b3cf64dd12ad2949836ab98f62dabf1"
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"value": "\u003cp\u003eArbitrary File Overwrite in Eclipse JGit \u0026lt;= 6.6.0\u003c/p\u003e\u003cp\u003eIn Eclipse JGit, all versions \u0026lt;= 6.6.0.202305301015-r, a symbolic link present in a specially crafted git repository can be used to write a file to locations outside the working tree when this repository is cloned with JGit to a case-insensitive filesystem, or when a checkout from a clone of such a repository is performed on a case-insensitive filesystem.\u003c/p\u003e\u003cp\u003eThis can happen on checkout (\u003ccode\u003eDirCacheCheckout\u003c/code\u003e), merge (\u003ccode\u003eResolveMerger\u003c/code\u003e\u0026nbsp;via its \u003ccode\u003eWorkingTreeUpdater\u003c/code\u003e), pull (\u003ccode\u003ePullCommand\u003c/code\u003e\u0026nbsp;using merge), and when applying a patch (\u003ccode\u003ePatchApplier\u003c/code\u003e). This can be exploited for remote code execution (RCE), for instance if the file written outside the working tree is a git filter that gets executed on a subsequent git command.\u003c/p\u003e\u003cp\u003eThe issue occurs only on case-\u003cstrong\u003ein\u003c/strong\u003esensitive filesystems, like the default filesystems on Windows and macOS. The user performing the clone or checkout must have the rights to create symbolic links for the problem to occur, and symbolic links must be enabled in the git configuration.\u003c/p\u003e\u003cp\u003eSetting git configuration option \u003ccode\u003ecore.symlinks = false\u003c/code\u003e\u0026nbsp;before checking out avoids the problem.\u003c/p\u003e\u003cp\u003eThe issue was fixed in Eclipse JGit version 6.6.1.202309021850-r and 6.7.0.202309050840-r, available via \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://repo1.maven.org/maven2/org/eclipse/jgit/\"\u003eMaven Central\u003c/a\u003e\u0026nbsp;and \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://repo.eclipse.org/content/repositories/jgit-releases/\"\u003erepo.eclipse.org\u003c/a\u003e. A backport is available in 5.13.3 starting from 5.13.3.202401111512-r.\u003cbr\u003e\u003c/p\u003e\u003cp\u003eThe JGit maintainers would like to thank RyotaK for finding and reporting this issue.\u003cbr\u003e\u003c/p\u003e\u003cbr\u003e"
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