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Debian Security Advisory DSA-3897-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
June 24, 2017                         https://www.debian.org/security/faq
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Package        : drupal7
CVE ID         : CVE-2015-7943 CVE-2017-6922
Debian Bug     : 865498

Two vulnerabilities were discovered in Drupal, a fully-featured content
management framework. The Common Vulnerabilities and Exposures project
identifies the following issues:

CVE-2015-7943

    Samuel Mortenson and Pere Orga discovered that the overlay module
    does not sufficiently validate URLs prior to displaying their
    contents, leading to an open redirect vulnerability.

    More information can be found at
    https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2015-10-21/drupal-core-overlay-less-critical

CVE-2017-6922

    Greg Knaddison, Mori Sugimoto and iancawthorne discovered that files
    uploaded by anonymous users into a private file system can be
    accessed by other anonymous users leading to an access bypass
    vulnerability.

    More information can be found at
    https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple

For the oldstable distribution (jessie), these problems have been fixed
in version 7.32-1+deb8u9.

For the stable distribution (stretch), these problems have been fixed in
version 7.52-2+deb9u1. For the stable distribution (stretch),
CVE-2015-7943 was already fixed before the initial release.

We recommend that you upgrade your drupal7 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org