Adobe Acrobat Acroform JPEG and JFIF Arbitrary Code Execution Vulnerability [CVE-2018-5070]

CVE Number – CVE-2018-5070

A vulnerability in the Acroform component of Adobe Acrobat DC and Adobe Acrobat Reader DC could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system.

The vulnerability is due to an out-of-range pointer offset memory error when the affected software is performing Adobe JPEG and JPEG File Interchange Format (JFIF) decoding operations. An attacker could exploit the vulnerability by persuading a user to access a link or file that submits malicious input to the affected software. A successful exploit could allow the attacker to execute arbitrary code and compromise the system completely.

Adobe has confirmed the vulnerability and released software updates.

Analysis
  • To exploit this vulnerability, the attacker may use misleading language or instructions to persuade a user to access a link or file that submits malicious input to the affected software.
Safeguards
  • Administrators are advised to apply the appropriate updates.

    Administrators are advised to allow only trusted users to have network access.

    Users are advised not to open email messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in email messages are safe, they are advised not to open them.

    Users are advised not to visit websites or follow links that have suspicious characteristics or cannot be verified as safe.

    Administrators are advised to use an unprivileged account when browsing the Internet.

    Administrators are advised to monitor critical systems.

Vendor Announcements
  • Adobe confirmed the vulnerability and released a security bulletin at the following link: APSB18-21
Fixed Software





Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He also has a wide range of other skills in radio, electronics and telecommunications.

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