CVE-2019-25051 Information

Description

objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list).

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE/ https://www.debian.org/security/2021/dsa-4948

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8