Out-of-bounds read in aspell (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17544
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 aspell (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU21946

Risk: Low

CVSSv4.0: 1.2 [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 - Out-of-bounds read

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

aspell (Alpine package): 0.60.6-r0 - 0.60.6.1-r13

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=ea01bb226907d1841c222a4d45832c3c36378115
https://git.alpinelinux.org/aports/commit/?id=04fd297cbeb9d82c92edd1d0295cc3df604e8f76
https://git.alpinelinux.org/aports/commit/?id=4439c8307bf1bcbfd41da5d84bea80adf54c5273
https://git.alpinelinux.org/aports/commit/?id=86ef329cc2823eae118325dcc977c43bd7368d53
https://git.alpinelinux.org/aports/commit/?id=b536611ee6298539033c380cc5f69a7e7a433e8e


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.



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