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CVE-2024-11477

CVE-2024-11477 · 7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the implementation of Zstandard decompression. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24346.

CVSS 7.8 · High · EPSS 22.4% · Public exploit · Fix available

Published
Updated

Stack: system

Affected products and versions

  • 7-zip

    Versions
    • 24.06: Affected

    No fix published

  • 7zip Debian:13

    Affected ranges
    • ECOSYSTEM: < 24.07+dfsg-1

    Update to 24.07+dfsg-1

  • 7zip Debian:14

    Affected ranges
    • ECOSYSTEM: < 24.07+dfsg-1

    Update to 24.07+dfsg-1

  • p7zip Ubuntu:14.04:LTS

    Versions
    • 9.20.1~dfsg.1-4
    • 9.20.1~dfsg.1-4+deb7u1build0.14.04.1
    • 9.20.1~dfsg.1-4+deb7u2build0.14.04.1
    • 9.20.1~dfsg.1-4+deb7u3build0.14.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • p7zip Ubuntu:16.04:LTS

    Versions
    • 9.20.1~dfsg.1-4.2
    • 9.20.1~dfsg.1-4.2ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • p7zip Ubuntu:18.04:LTS

    Versions
    • 16.02+dfsg-4
    • 16.02+dfsg-5
    • 16.02+dfsg-6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • p7zip Ubuntu:20.04:LTS

    Versions
    • 16.02+dfsg-7
    • 16.02+dfsg-7build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • p7zip Ubuntu:22.04:LTS

    Versions
    • 16.02+dfsg-8
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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