This security advisory describes one low risk vulnerability.
CWE-125 - Out-of-bounds Read
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.Mitigation
Install update from vendor's website.Vulnerable software versions
Aspell: 0.60, 0.60.1, 0.60.2, 0.60.3, 0.60.4, 0.60.5, 0.60.6, 0.60.6.1, 0.60.7CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.