CVE-2019-1788

ClamAV OLE2 File Out-Of-Bounds Write Vulnerability

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A vulnerability in the Object Linking & Embedding (OLE2) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a lack of proper input and validation checking mechanisms for OLE2 files sent an affected device. An attacker could exploit this vulnerability by sending malformed OLE2 files to the device running an affected version ClamAV Software. An exploit could allow the attacker to cause an out-of-bounds write condition, resulting in a crash that could result in a denial of service condition on an affected device.

Una vulnerabilidad en la funcionalidad de análisis de archivos Object Linking & Embedding (OLE2) de las versiones 0.101.1 y anteriores del software Clam AntiVirus (ClamAV) podría permitir que un atacante remoto no autenticado cause una condición de denegación de servicio en un dispositivo afectado. La vulnerabilidad se debe a la falta de mecanismos adecuados de comprobación de entrada y validación de los archivos OLE2 enviados a un dispositivo afectado. Un atacante podría explotar esta vulnerabilidad enviando archivos OLE2 malformados al dispositivo que ejecuta una versión afectada de ClamAV Software. Un exploit podría permitir al atacante causar una condición de escritura fuera de límites, resultando en un fallo que podría generar una condición de denegación de servicio en un dispositivo afectado.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2018-12-06 CVE Reserved
2019-03-27 CVE Published
2024-08-29 EPSS Updated
2024-11-19 CVE Updated
2024-11-19 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation
CWE-787: Out-of-bounds Write

CAPEC

References (5)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2019/04/msg00019.html	Mailing List

URL	Date	SRC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12166	2024-11-19

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00062.html	2020-10-16
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00064.html	2020-10-16
https://security.gentoo.org/glsa/201904-12	2020-10-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Clamav Search vendor "Clamav"		Clamav Search vendor "Clamav" for product "Clamav"				<= 0.101.1 Search vendor "Clamav" for product "Clamav" and version " <= 0.101.1"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				42.3 Search vendor "Opensuse" for product "Leap" and version "42.3"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected