Out-of-bounds read in GNU Aspell
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-20433 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Aspell Universal components / Libraries / Libraries used by multiple products |
| Vendor | GNU |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU30425
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-20433
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to buffer over-read for a string ending with a single '' byte, if the encoding is set to ucs-2 or ucs-4 outside of the application, as demonstrated by the ASPELL_CONF environment variable. A remote attacker can perform a denial of service attack.
MitigationUpdate to version 0.60.8.
Vulnerable software versionsAspell: 0.60.1 - 0.60.7
External linkshttp://aspell.net/buffer-overread-ucs.txt
Q & A
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.
