CVE-2019-7809: Adobe Acrobat Reader DC removeField Use-After-Free Information Disclosure Vulnerability
Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier, 2017.011.30138 and earlier, 2015.006.30495 and earlier, and 2015.006.30493 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
Other sources
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of field elements in AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2019-7809?
CVE-2019-7809 has a high severity rating due to its potential to allow exploitation that could compromise user data.
How do I fix CVE-2019-7809?
To fix CVE-2019-7809, update Adobe Acrobat or Reader to the latest version as recommended in the security advisories.
Which versions of Adobe Acrobat are affected by CVE-2019-7809?
CVE-2019-7809 affects Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2017.011.30140 and earlier, and various earlier versions of 2015.
What kind of vulnerability is CVE-2019-7809?
CVE-2019-7809 is classified as a use after free vulnerability.
Can CVE-2019-7809 be exploited remotely?
Yes, CVE-2019-7809 could be exploited remotely if a user opens a malicious PDF file.