• [SECURITY] [DSA 5843-1] rsync security update

    From Salvatore Bonaccorso@21:1/5 to All on Tue Jan 14 19:30:01 2025
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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-5843-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso January 14, 2025 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : rsync
    CVE ID : CVE-2024-12084 CVE-2024-12085 CVE-2024-12086 CVE-2024-12087
    CVE-2024-12088 CVE-2024-12747

    Several vulnerabilities were discovered in rsync, a fast, versatile,
    remote (and local) file-copying tool.

    CVE-2024-12084

    Simon Scannell, Pedro Gallegos and Jasiel Spelman discovered a
    heap-based buffer overflow vulnerability due to improper handling of
    attacker-controlled checksum lengths. A remote attacker can take
    advantage of this flaw for code execution.

    CVE-2024-12085

    Simon Scannell, Pedro Gallegos and Jasiel Spelman reported a flaw in
    the way rsync compares file checksums, allowing a remote attacker to
    trigger an information leak.

    CVE-2024-12086

    Simon Scannell, Pedro Gallegos and Jasiel Spelman discovered a flaw
    which would result in a server leaking contents of an arbitrary file
    from the client's machine.

    CVE-2024-12087

    Simon Scannell, Pedro Gallegos and Jasiel Spelman reported a path
    traversal vulnerability in the rsync daemon affecting the
    --inc-recursive option, which could allow a server to write files
    outside of the client's intended destination directory.

    CVE-2024-12088

    Simon Scannell, Pedro Gallegos and Jasiel Spelman reported that when
    using the --safe-links option, rsync fails to properly verify if a
    symbolic link destination contains another symbolic link with it,
    resulting in path traversal and arbitrary file write outside of the
    desired directory.

    CVE-2024-12747

    Aleksei Gorban "loqpa" discovered a race condition when handling
    symbolic links resulting in an information leak which may enable
    escalation of privileges.

    For the stable distribution (bookworm), these problems have been fixed in version 3.2.7-1+deb12u1.

    We recommend that you upgrade your rsync packages.

    For the detailed security status of rsync please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/rsync

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org
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