Connect with us

Hi, what are you looking for?

SecurityWeekSecurityWeek

Vulnerabilities

Remote Code Execution Flaws Patched in Drupal

Developers of the Drupal content management system (CMS) have patched several vulnerabilities in the 7 and 8 branches, including serious flaws that can be exploited for remote code execution.

Developers of the Drupal content management system (CMS) have patched several vulnerabilities in the 7 and 8 branches, including serious flaws that can be exploited for remote code execution.

One of the security holes, rated “critical,” affects the Contextual Links module, which fails to properly validate requested contextual links. The vulnerability can allow remote code execution, but the attacker requires an account with the “access contextual links” permission for exploitation.

Another “critical” flaw is an injection issue in the DefaultMailSystem::mail() function. The problem is caused by the lack of sanitization of some variables for shell arguments when sending emails.

It’s worth noting that in Drupal’s case “critical” is the second highest security risk level, after “highly critical.” “Moderately critical” follows “critical” on the criticality scale.

The other three vulnerabilities addressed in the CMS this week have been assigned a “moderately critical” rating. This includes an access bypass issue related to content moderation, and two open redirect bugs.

One of the open redirect issues was publicly documented before the patches were released. Drupal developers also warned that the changes implemented in order to fix the access bypass weakness can have implications for backwards compatibility.

The vulnerabilities have been patched with the release of Drupal 7.60, 8.6.2 and 8.5.8.

It’s important that users install security updates as soon as possible. Drupal vulnerabilities have often been exploited by malicious hackers in the past years.

Advertisement. Scroll to continue reading.

The recently disclosed flaws dubbed Drupalgeddon2 and Drupalgeddon3 have been exploited to deliver cryprocurrency miners, RATs, tech support scams and other threats. In recent attacks, threat actors exploited Drupalgeddon2 to install a backdoor on compromised servers.

Related: Many Drupal Sites Still Vulnerable to Drupalgeddon2 Attacks

Related: Drupal Refutes Reports of 115,000 Sites Still Affected by Drupalgeddon2

Related: Drupal Sites Targeted With Backdoors, Miners in Drupalgeddon2 Attacks

Written By

Eduard Kovacs (@EduardKovacs) is a managing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.

Click to comment

Trending

Daily Briefing Newsletter

Subscribe to the SecurityWeek Email Briefing to stay informed on the latest threats, trends, and technology, along with insightful columns from industry experts.

Understand how to go beyond effectively communicating new security strategies and recommendations.

Register

Join us for an in depth exploration of the critical nature of software and vendor supply chain security issues with a focus on understanding how attacks against identity infrastructure come with major cascading effects.

Register

Expert Insights

Related Content

Vulnerabilities

Less than a week after announcing that it would suspended service indefinitely due to a conflict with an (at the time) unnamed security researcher...

Data Breaches

OpenAI has confirmed a ChatGPT data breach on the same day a security firm reported seeing the use of a component affected by an...

IoT Security

A group of seven security researchers have discovered numerous vulnerabilities in vehicles from 16 car makers, including bugs that allowed them to control car...

Vulnerabilities

A researcher at IOActive discovered that home security systems from SimpliSafe are plagued by a vulnerability that allows tech savvy burglars to remotely disable...

Risk Management

The supply chain threat is directly linked to attack surface management, but the supply chain must be known and understood before it can be...

Cybercrime

Patch Tuesday: Microsoft calls attention to a series of zero-day remote code execution attacks hitting its Office productivity suite.

Vulnerabilities

Patch Tuesday: Microsoft warns vulnerability (CVE-2023-23397) could lead to exploitation before an email is viewed in the Preview Pane.

Vulnerabilities

The latest Chrome update brings patches for eight vulnerabilities, including seven reported by external researchers.