SRC-2018-0025 : Microsoft Edge Undo Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Edge. 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 implementation of undo functionality available to script. By manipulating a document’s elements, an attacker can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.
Microsoft has issued an update to correct these vulnerabilities. More details can be found at:
- 2018-04-27 – Verified and acquired by iDefense
- 2018-07-13 – Coordinated public release of advisory
This vulnerability was discovered by Steven Seeley (mr_me) of Source Incite
Source Incite would like to acknowledge iDefense's Vulnerability Contributor Program for the help with co-ordination of this vulnerability.