Buffer overflow in libmwaw - CVE-2017-9433
Published: June 5, 2017 / Updated: June 5, 2017
Vulnerability identifier: #VU6898
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-9433
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Document Liberation Project
Affected software:
libmwaw
libmwaw
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error with MsWrd1Parser::readFootnoteCorrespondance() function in lib/MsWrd1Parser.cxx. A remote unauthenticated attacker can create a specially crafted MS Word file, trick the victim into opening it using the affected library, trigger heap-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2017-9433
Install update from vendor's repository (version issued after 2017-04-08).