CVE-2019-6338 — In Drupal Core versions 7

In Drupal Core versions 7.x prior to 7.62, 8.6.x prior to 8.6.6 and 8.5.x prior to 8.5.9; Drupal core uses the third-party PEAR Archive_Tar library. This library has released a security update which impacts some Drupal configurations. Refer to CVE-2018-1000888 for details

01What is this vulnerability?

In Drupal Core versions 7.x prior to 7.62, 8.6.x prior to 8.6.6 and 8.5.x prior to 8.5.9; Drupal core uses the third-party PEAR Archive_Tar library. This library has released a security update which impacts some Drupal configurations. Refer to CVE-2018-1000888 for details

02Affected products

Vendor	Product	Versions
Drupal	Drupal core	7.x, 8.6.x, 8.5.x

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-01-22T15:00:00.000Z
• Last modified: 2024-09-16T18:38:30.675Z

09References

• www.drupal.org — https://www.drupal.org/sa-core-2019-001
• www.debian.org — https://www.debian.org/security/2019/dsa-4370
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/02/msg00032.html
• www.securityfocus.com — http://www.securityfocus.com/bid/106706