vulnwire
9.8crit

CVE-2017-6920in critical feed

Drupal PECL YAML parser unsafe object handling

Also known as GHSA-9c24-g32g-35rj

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
20.2%
percentile 97%
Public exploits
0
none known

Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

Exploit prediction (EPSS)

20.24% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

EcosystemPackageAffectedFixed in
packagistdrupal/core
>=8.0, <8.3.4
8.3.4
packagistdrupal/drupal
>=8.0, <8.3.4
8.3.4

Affected products

  • Drupal.org Drupal Core

Classification

Weakness
  • CWE-19 Data Processing Errors
  • CWE-94 Improper Control of Generation of Code

References

  • drupal.org /forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/99211 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1038781 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-6920 · advisory
  • github.com /FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6920.yaml · web
  • github.com /FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6920.yaml · web
  • github.com /drupal/core · package
  • drupal.org /SA-CORE-2017-003 · web

Sources

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