SRC-2018-0008 : Adobe Digital Editions ePub otf Font Parsing TableRecord offset Out-of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Digital Editions. 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 ePub files with embedded OTF fonts. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.
Adobe has issued an update to correct these vulnerabilities. More details can be found at:
- 2018-01-23 – Verified and sent to Adobe
- 2018-04-10 – Coordinated public release of advisory
Proof of Concept:
This vulnerability was discovered by Steven Seeley (mr_me) of Source Incite