#VU21946 Out-of-bounds read in Aspell - CVE-2019-17544
Published: October 20, 2019
Vulnerability identifier: #VU21946
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-17544
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Aspell
Aspell
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing an isolated character within the acommon::unescape() function in common/getdata.cpp file in GNU Aspell. A remote attacker can create a specially crafted Excel file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or crash the application.
Remediation
Install update from vendor's website.