Gentoo update for GNU Aspell

1) Heap-based buffer overflow

EUVDB-ID: #VU55502

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-25051

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list). A remote attacker can trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages.
app-text/aspell to version: 0.60.8-r3

Vulnerable software versions

Gentoo Linux: All versions

app-text/aspell: before 0.60.8-r3

External links

http://security.gentoo.org/glsa/202402-31

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.