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    2 vulnerabilities found for Eclipse JGit by Eclipse Foundation

    CVE-2023-4759 (GCVE-0-2023-4759)

    Vulnerability from nvd – Published: 2023-09-12 09:12 – Updated: 2024-08-02 07:37
    VLAI
    Title
    Improper handling of case insensitive filesystems in Eclipse JGit allows arbitrary file write
    Summary
    Arbitrary File Overwrite in Eclipse JGit <= 6.6.0 In Eclipse JGit, all versions <= 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. This can happen on checkout (DirCacheCheckout), merge (ResolveMerger via its WorkingTreeUpdater), pull (PullCommand using merge), and when applying a patch (PatchApplier). 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. The issue occurs only on case-insensitive 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. Setting git configuration option core.symlinks = false before checking out avoids the problem. The issue was fixed in Eclipse JGit version 6.6.1.202309021850-r and 6.7.0.202309050840-r, available via Maven Central https://repo1.maven.org/maven2/org/eclipse/jgit/  and repo.eclipse.org https://repo.eclipse.org/content/repositories/jgit-releases/ . A backport is available in 5.13.3 starting from 5.13.3.202401111512-r. The JGit maintainers would like to thank RyotaK for finding and reporting this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    • CWE-178 - Improper Handling of Case Sensitivity
    Assigner
    Impacted products
    Vendor Product Version
    Eclipse Foundation Eclipse JGit Affected: 0.0.0 , ≤ 6.6.0.202305301015-r (semver)
    Unaffected: 5.13.3.202401111512-r
    Create a notification for this product.
    eclipse jgit Affected: 0 , ≤ 6.6.0.202305301015-r (semver)
        cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:*
    Create a notification for this product.
    eclipse jgit Unaffected: 5.13.3.202401111512-r
        cpe:2.3:a:eclipse:jgit:5.13.3.202401111512-r:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2023-09-12 10:00
    Credits
    RyotaK
    Show details on NVD website

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    CVE-2023-4759 (GCVE-0-2023-4759)

    Vulnerability from cvelistv5 – Published: 2023-09-12 09:12 – Updated: 2024-08-02 07:37
    VLAI
    Title
    Improper handling of case insensitive filesystems in Eclipse JGit allows arbitrary file write
    Summary
    Arbitrary File Overwrite in Eclipse JGit <= 6.6.0 In Eclipse JGit, all versions <= 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. This can happen on checkout (DirCacheCheckout), merge (ResolveMerger via its WorkingTreeUpdater), pull (PullCommand using merge), and when applying a patch (PatchApplier). 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. The issue occurs only on case-insensitive 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. Setting git configuration option core.symlinks = false before checking out avoids the problem. The issue was fixed in Eclipse JGit version 6.6.1.202309021850-r and 6.7.0.202309050840-r, available via Maven Central https://repo1.maven.org/maven2/org/eclipse/jgit/  and repo.eclipse.org https://repo.eclipse.org/content/repositories/jgit-releases/ . A backport is available in 5.13.3 starting from 5.13.3.202401111512-r. The JGit maintainers would like to thank RyotaK for finding and reporting this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    • CWE-178 - Improper Handling of Case Sensitivity
    Assigner
    Impacted products
    Vendor Product Version
    Eclipse Foundation Eclipse JGit Affected: 0.0.0 , ≤ 6.6.0.202305301015-r (semver)
    Unaffected: 5.13.3.202401111512-r
    Create a notification for this product.
    eclipse jgit Affected: 0 , ≤ 6.6.0.202305301015-r (semver)
        cpe:2.3:a:eclipse:jgit:*:*:*:*:*:*:*:*
    Create a notification for this product.
    eclipse jgit Unaffected: 5.13.3.202401111512-r
        cpe:2.3:a:eclipse:jgit:5.13.3.202401111512-r:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2023-09-12 10:00
    Credits
    RyotaK
    Show details on NVD website

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          "source": {
            "discovery": "EXTERNAL"
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          "title": "Improper handling of case insensitive filesystems in Eclipse JGit allows arbitrary file write",
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        "dateReserved": "2023-09-04T16:06:00.689Z",
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