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CVE-2020-10756

CVE-2020-10756

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

An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request, also known as ping. This flaw allows a malicious guest to leak the contents of the host memory, resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.

CVSS 6.5 · Medium · EPSS 0.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • slirp

    Versions
    • All libslirp versions before 4.3.1: Affected

    No fix published

  • libslirp Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.3.1-1

    Update to 4.3.1-1

  • libslirp Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.3.1-1

    Update to 4.3.1-1

  • libslirp Debian:14

    Affected ranges
    • ECOSYSTEM: < 4.3.1-1

    Update to 4.3.1-1

  • qemu Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:4.1-2

    Update to 1:4.1-2

  • qemu Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:4.1-2

    Update to 1:4.1-2

  • qemu Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:4.1-2

    Update to 1:4.1-2

  • slirp4netns Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.0.1-1

    Update to 1.0.1-1

  • slirp4netns Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.0.1-1

    Update to 1.0.1-1

  • slirp4netns Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.0.1-1

    Update to 1.0.1-1

  • qemu Ubuntu:18.04:LTS

    Versions
    • 1:2.10+dfsg-0ubuntu3
    • 1:2.10+dfsg-0ubuntu4
    • 1:2.10+dfsg-0ubuntu5
    • 1:2.11+dfsg-1ubuntu1
    • 1:2.11+dfsg-1ubuntu2
    • 1:2.11+dfsg-1ubuntu4
    • 1:2.11+dfsg-1ubuntu5
    • 1:2.11+dfsg-1ubuntu6
    • 1:2.11+dfsg-1ubuntu7
    • 1:2.11+dfsg-1ubuntu7.1
    • 1:2.11+dfsg-1ubuntu7.2
    • 1:2.11+dfsg-1ubuntu7.3
    • 1:2.11+dfsg-1ubuntu7.4
    • 1:2.11+dfsg-1ubuntu7.5
    • 1:2.11+dfsg-1ubuntu7.6
    • 1:2.11+dfsg-1ubuntu7.7
    • 1:2.11+dfsg-1ubuntu7.8
    • 1:2.11+dfsg-1ubuntu7.9
    • 1:2.11+dfsg-1ubuntu7.10
    • 1:2.11+dfsg-1ubuntu7.12
    • 1:2.11+dfsg-1ubuntu7.13
    • 1:2.11+dfsg-1ubuntu7.14
    • 1:2.11+dfsg-1ubuntu7.15
    • 1:2.11+dfsg-1ubuntu7.17
    • 1:2.11+dfsg-1ubuntu7.18
    • 1:2.11+dfsg-1ubuntu7.19
    • 1:2.11+dfsg-1ubuntu7.20
    • 1:2.11+dfsg-1ubuntu7.21
    • 1:2.11+dfsg-1ubuntu7.22
    • 1:2.11+dfsg-1ubuntu7.23
    • 1:2.11+dfsg-1ubuntu7.25
    • 1:2.11+dfsg-1ubuntu7.26
    • 1:2.11+dfsg-1ubuntu7.27
    • 1:2.11+dfsg-1ubuntu7.28
    • 1:2.11+dfsg-1ubuntu7.29
    Affected ranges
    • ECOSYSTEM: < 1:2.11+dfsg-1ubuntu7.31

    Update to 1:2.11+dfsg-1ubuntu7.31

  • libslirp Ubuntu:20.04:LTS

    Versions
    • 4.0.0-1
    • 4.0.0-2
    • 4.1.0-1
    • 4.1.0-2
    • 4.1.0-2ubuntu1
    • 4.1.0-2ubuntu2
    Affected ranges
    • ECOSYSTEM: < 4.1.0-2ubuntu2.1

    Update to 4.1.0-2ubuntu2.1

  • slirp4netns Ubuntu:20.04:LTS

    Versions
    • 0.4.1-1
    • 0.4.3-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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