CVE-2019-25051

aspell: Heap-buffer-overflow in acommon::ObjStack::dup_top

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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).

objstack en GNU Aspell versión 0.60.8, presenta un desbordamiento de búfer en la región heap de la memoria en la función acommon::ObjStack::dup_top (llamado desde acommon::StringMap::add y acommon::Config::lookup_list)

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-20 CVE Reserved
2021-07-20 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write

CAPEC

References (8)

URL	Tag	Source
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462	Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE	2023-11-07
https://www.debian.org/security/2021/dsa-4948	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-25051	2022-05-10
https://bugzilla.redhat.com/show_bug.cgi?id=1984066	2022-05-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnu Search vendor "Gnu"		Aspell Search vendor "Gnu" for product "Aspell"				0.60.8 Search vendor "Gnu" for product "Aspell" and version "0.60.8"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected