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CVE-2017-9445

CVE-2017-9445

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

In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can cause it to allocate a buffer that's too small. A malicious DNS server can exploit this via a response with a specially crafted TCP payload to trick systemd-resolved into allocating a buffer that's too small, and subsequently write arbitrary data beyond the end of it.

CVSS 7.5 · High · EPSS 54.8% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • systemd Debian:12

    Affected ranges
    • ECOSYSTEM: < 233-10

    Update to 233-10

  • systemd Debian:13

    Affected ranges
    • ECOSYSTEM: < 233-10

    Update to 233-10

  • systemd Debian:14

    Affected ranges
    • ECOSYSTEM: < 233-10

    Update to 233-10

  • systemd Ubuntu:16.04:LTS

    Versions
    • 225-1ubuntu9
    • 227-2ubuntu1
    • 227-2ubuntu2
    • 228-1ubuntu2
    • 228-2ubuntu1
    • 228-2ubuntu2
    • 228-3ubuntu1
    • 228-4ubuntu1
    • 228-4ubuntu2
    • 228-5ubuntu1
    • 228-5ubuntu2
    • 228-5ubuntu3
    • 228-6ubuntu1
    • 229-1ubuntu2
    • 229-1ubuntu4
    • 229-2ubuntu1
    • 229-3ubuntu1
    • 229-3ubuntu2
    • 229-4ubuntu1
    • 229-4ubuntu4
    • 229-4ubuntu5
    • 229-4ubuntu6
    • 229-4ubuntu7
    • 229-4ubuntu8
    • 229-4ubuntu10
    • 229-4ubuntu11
    • 229-4ubuntu12
    • 229-4ubuntu13
    • 229-4ubuntu16
    • 229-4ubuntu17
    Affected ranges
    • ECOSYSTEM: < 229-4ubuntu19

    Update to 229-4ubuntu19

Original sources

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