SRC-2019-0012 : Microsoft Windows Jet Database TblPage ColumnLvBinary Type Confusion Remote Code Execution Vulnerability

CVE ID:

CVE-2019-0577

CVSS Score:

7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Vendors:

Microsoft

Affected Products:

Windows

Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. 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 JET database engine. Crafted data in an MDB file can trigger a type confusion condition which can result in a vtable call. An attacker can leverage this vulnerability to execute code in the context of the current process.

Vendor Response:

Microsoft has issued an update to correct this vulnerability. More details can be found at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0577

Disclosure Timeline:

  • 2018-10-10 – Vulnerability reported to vendor
  • 2019-01-09 – Coordinated public release of advisory

Credit:

This vulnerability was discovered by Steven Seeley (mr_me) of Source Incite