p PatchFirst

CVE-2017-9788

CVE-2017-9788

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

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorization headers of type 'Digest' was not initialized or reset before or between successive key=value assignments by mod_auth_digest. Providing an initial key with no '=' assignment could reflect the stale value of uninitialized pool memory used by the prior request, leading to leakage of potentially confidential information, and a segfault in other cases resulting in denial of service.

CVSS 9.1 · Critical · EPSS 56.8% · Fix available

Published
Updated

Stack: system · web

Affected products and versions

  • apache httpd

    Versions
    • 2.2.0 to 2.2.33: Affected
    • 2.4.1 to 2.4.26: Affected

    No fix published

  • apache2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.4.27-1

    Update to 2.4.27-1

  • apache2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.4.27-1

    Update to 2.4.27-1

  • apache2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.4.27-1

    Update to 2.4.27-1

  • apache2 Ubuntu:14.04:LTS

    Versions
    • 2.4.6-2ubuntu2
    • 2.4.6-2ubuntu3
    • 2.4.6-2ubuntu4
    • 2.4.7-1ubuntu1
    • 2.4.7-1ubuntu2
    • 2.4.7-1ubuntu3
    • 2.4.7-1ubuntu4
    • 2.4.7-1ubuntu4.1
    • 2.4.7-1ubuntu4.4
    • 2.4.7-1ubuntu4.5
    • 2.4.7-1ubuntu4.6
    • 2.4.7-1ubuntu4.7
    • 2.4.7-1ubuntu4.8
    • 2.4.7-1ubuntu4.9
    • 2.4.7-1ubuntu4.10
    • 2.4.7-1ubuntu4.11
    • 2.4.7-1ubuntu4.13
    • 2.4.7-1ubuntu4.15
    • 2.4.7-1ubuntu4.16
    Affected ranges
    • ECOSYSTEM: < 2.4.7-1ubuntu4.17

    Update to 2.4.7-1ubuntu4.17

  • apache2 Ubuntu:16.04:LTS

    Versions
    • 2.4.12-2ubuntu2
    • 2.4.17-1ubuntu1
    • 2.4.17-2ubuntu1
    • 2.4.17-3ubuntu1
    • 2.4.18-1ubuntu1
    • 2.4.18-2ubuntu1
    • 2.4.18-2ubuntu2
    • 2.4.18-2ubuntu3
    • 2.4.18-2ubuntu3.1
    • 2.4.18-2ubuntu3.2
    • 2.4.18-2ubuntu3.3
    Affected ranges
    • ECOSYSTEM: < 2.4.18-2ubuntu3.4

    Update to 2.4.18-2ubuntu3.4

Original sources

Check your server →