p PatchFirst

CVE-2020-7039

CVE-2020-7039

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

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

CVSS 5.6 · Medium · EPSS 3.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • libslirp Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.1.0-2

    Update to 4.1.0-2

  • libslirp Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.1.0-2

    Update to 4.1.0-2

  • libslirp Debian:14

    Affected ranges
    • ECOSYSTEM: < 4.1.0-2

    Update to 4.1.0-2

  • 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

  • slirp Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:1.0.17-10

    Update to 1:1.0.17-10

  • slirp Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:1.0.17-10

    Update to 1:1.0.17-10

  • slirp Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:1.0.17-10

    Update to 1:1.0.17-10

  • qemu Ubuntu:Pro:14.04:LTS

    Versions
    • 1.5.0+dfsg-3ubuntu5
    • 1.5.0+dfsg-3ubuntu6
    • 1.6.0+dfsg-2ubuntu1
    • 1.6.0+dfsg-2ubuntu2
    • 1.6.0+dfsg-2ubuntu3
    • 1.6.0+dfsg-2ubuntu4
    • 1.7.0+dfsg-2ubuntu1
    • 1.7.0+dfsg-2ubuntu2
    • 1.7.0+dfsg-2ubuntu3
    • 1.7.0+dfsg-2ubuntu4
    • 1.7.0+dfsg-2ubuntu5
    • 1.7.0+dfsg-2ubuntu7
    • 1.7.0+dfsg-2ubuntu8
    • 1.7.0+dfsg-2ubuntu9
    • 1.7.0+dfsg-3ubuntu1~ppa1
    • 1.7.0+dfsg-3ubuntu1
    • 1.7.0+dfsg-3ubuntu2
    • 1.7.0+dfsg-3ubuntu3
    • 1.7.0+dfsg-3ubuntu4
    • 1.7.0+dfsg-3ubuntu5
    • 1.7.0+dfsg-3ubuntu6
    • 1.7.0+dfsg-3ubuntu7
    • 2.0.0~rc1+dfsg-0ubuntu1
    • 2.0.0~rc1+dfsg-0ubuntu2
    • 2.0.0~rc1+dfsg-0ubuntu3
    • 2.0.0~rc1+dfsg-0ubuntu3.1
    • 2.0.0+dfsg-2ubuntu1
    • 2.0.0+dfsg-2ubuntu1.1
    • 2.0.0+dfsg-2ubuntu1.2
    • 2.0.0+dfsg-2ubuntu1.3
    • 2.0.0+dfsg-2ubuntu1.5
    • 2.0.0+dfsg-2ubuntu1.6
    • 2.0.0+dfsg-2ubuntu1.7
    • 2.0.0+dfsg-2ubuntu1.8
    • 2.0.0+dfsg-2ubuntu1.9
    • 2.0.0+dfsg-2ubuntu1.10
    • 2.0.0+dfsg-2ubuntu1.11
    • 2.0.0+dfsg-2ubuntu1.13
    • 2.0.0+dfsg-2ubuntu1.14
    • 2.0.0+dfsg-2ubuntu1.15
    • 2.0.0+dfsg-2ubuntu1.16
    • 2.0.0+dfsg-2ubuntu1.17
    • 2.0.0+dfsg-2ubuntu1.18
    • 2.0.0+dfsg-2ubuntu1.19
    • 2.0.0+dfsg-2ubuntu1.20
    • 2.0.0+dfsg-2ubuntu1.21
    • 2.0.0+dfsg-2ubuntu1.22
    • 2.0.0+dfsg-2ubuntu1.24
    • 2.0.0+dfsg-2ubuntu1.25
    • 2.0.0+dfsg-2ubuntu1.26
    • 2.0.0+dfsg-2ubuntu1.27
    • 2.0.0+dfsg-2ubuntu1.28
    • 2.0.0+dfsg-2ubuntu1.29
    • 2.0.0+dfsg-2ubuntu1.30
    • 2.0.0+dfsg-2ubuntu1.31
    • 2.0.0+dfsg-2ubuntu1.32
    • 2.0.0+dfsg-2ubuntu1.33
    • 2.0.0+dfsg-2ubuntu1.34
    • 2.0.0+dfsg-2ubuntu1.35
    • 2.0.0+dfsg-2ubuntu1.36
    • 2.0.0+dfsg-2ubuntu1.38
    • 2.0.0+dfsg-2ubuntu1.39
    • 2.0.0+dfsg-2ubuntu1.40
    • 2.0.0+dfsg-2ubuntu1.41
    • 2.0.0+dfsg-2ubuntu1.42
    • 2.0.0+dfsg-2ubuntu1.43
    • 2.0.0+dfsg-2ubuntu1.44
    • 2.0.0+dfsg-2ubuntu1.45
    • 2.0.0+dfsg-2ubuntu1.46
    • 2.0.0+dfsg-2ubuntu1.47
    • 2.0.0+dfsg-2ubuntu1.47+esm1
    • 2.0.0+dfsg-2ubuntu1.47+esm2
    • 2.0.0+dfsg-2ubuntu1.47+esm3
    Affected ranges
    • ECOSYSTEM: < 2.0.0+dfsg-2ubuntu1.47+esm4

    Update to 2.0.0+dfsg-2ubuntu1.47+esm4

  • slirp Ubuntu:Pro:14.04:LTS

    Versions
    • 1:1.0.17-7
    Affected ranges
    • ECOSYSTEM: < 1:1.0.17-7+deb8u2build0.14.04.1+esm1

    Update to 1:1.0.17-7+deb8u2build0.14.04.1+esm1

  • qemu Ubuntu:16.04:LTS

    Versions
    • 1:2.3+dfsg-5ubuntu9
    • 1:2.3+dfsg-5ubuntu10
    • 1:2.4+dfsg-4ubuntu1
    • 1:2.4+dfsg-4ubuntu2
    • 1:2.4+dfsg-4ubuntu3
    • 1:2.4+dfsg-5ubuntu3
    • 1:2.5+dfsg-1ubuntu2
    • 1:2.5+dfsg-1ubuntu3
    • 1:2.5+dfsg-1ubuntu4
    • 1:2.5+dfsg-1ubuntu5
    • 1:2.5+dfsg-5ubuntu1
    • 1:2.5+dfsg-5ubuntu2
    • 1:2.5+dfsg-5ubuntu4
    • 1:2.5+dfsg-5ubuntu6
    • 1:2.5+dfsg-5ubuntu7
    • 1:2.5+dfsg-5ubuntu10
    • 1:2.5+dfsg-5ubuntu10.1
    • 1:2.5+dfsg-5ubuntu10.2
    • 1:2.5+dfsg-5ubuntu10.3
    • 1:2.5+dfsg-5ubuntu10.4
    • 1:2.5+dfsg-5ubuntu10.5
    • 1:2.5+dfsg-5ubuntu10.6
    • 1:2.5+dfsg-5ubuntu10.7
    • 1:2.5+dfsg-5ubuntu10.8
    • 1:2.5+dfsg-5ubuntu10.9
    • 1:2.5+dfsg-5ubuntu10.10
    • 1:2.5+dfsg-5ubuntu10.11
    • 1:2.5+dfsg-5ubuntu10.13
    • 1:2.5+dfsg-5ubuntu10.14
    • 1:2.5+dfsg-5ubuntu10.15
    • 1:2.5+dfsg-5ubuntu10.16
    • 1:2.5+dfsg-5ubuntu10.20
    • 1:2.5+dfsg-5ubuntu10.21
    • 1:2.5+dfsg-5ubuntu10.22
    • 1:2.5+dfsg-5ubuntu10.24
    • 1:2.5+dfsg-5ubuntu10.25
    • 1:2.5+dfsg-5ubuntu10.26
    • 1:2.5+dfsg-5ubuntu10.28
    • 1:2.5+dfsg-5ubuntu10.29
    • 1:2.5+dfsg-5ubuntu10.30
    • 1:2.5+dfsg-5ubuntu10.31
    • 1:2.5+dfsg-5ubuntu10.32
    • 1:2.5+dfsg-5ubuntu10.33
    • 1:2.5+dfsg-5ubuntu10.34
    • 1:2.5+dfsg-5ubuntu10.35
    • 1:2.5+dfsg-5ubuntu10.36
    • 1:2.5+dfsg-5ubuntu10.37
    • 1:2.5+dfsg-5ubuntu10.38
    • 1:2.5+dfsg-5ubuntu10.39
    • 1:2.5+dfsg-5ubuntu10.40
    • 1:2.5+dfsg-5ubuntu10.41
    • 1:2.5+dfsg-5ubuntu10.42
    Affected ranges
    • ECOSYSTEM: < 1:2.5+dfsg-5ubuntu10.43

    Update to 1:2.5+dfsg-5ubuntu10.43

  • slirp Ubuntu:16.04:LTS

    Versions
    • 1:1.0.17-8
    Affected ranges
    • ECOSYSTEM: < 1:1.0.17-8ubuntu16.04.1

    Update to 1:1.0.17-8ubuntu16.04.1

  • 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
    Affected ranges
    • ECOSYSTEM: < 1:2.11+dfsg-1ubuntu7.23

    Update to 1:2.11+dfsg-1ubuntu7.23

  • slirp Ubuntu:18.04:LTS

    Versions
    • 1:1.0.17-8
    • 1:1.0.17-8build1
    Affected ranges
    • ECOSYSTEM: < 1:1.0.17-8ubuntu18.04.1

    Update to 1:1.0.17-8ubuntu18.04.1

Original sources

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