A vulnerability, which was classified as critical, was found in libesedb up to 2018-04-01. Affected is the function libesedb_page_read_tags of the file libesedb_page.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

** DISPUTED ** The libesedb_page_read_tags function in libesedb_page.c in libesedb through 2018-04-01 allows remote attackers to cause a heap-based buffer over-read via a crafted esedb file. NOTE: the vendor has disputed this as described in the GitHub issue comments.

The weakness was released 09/01/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-15159 since 08/07/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-123455, VDB-123457 and VDB-123458. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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• libesedb

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• 2018-04-01

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