CVE-2019-1787 Information

Description

A vulnerability in the Portable Document Format (PDF) 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 (DoS) condition on an affected device. The vulnerability is due to a lack of proper data handling mechanisms within the device buffer while indexing remaining file data on an affected device. An attacker could exploit this vulnerability by sending crafted PDF files to an affected device. A successful exploit could allow the attacker to cause a heap buffer out-of-bounds read condition resulting in a crash that could result in a denial of service condition on an affected device.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00062.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00064.html https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12181 https://lists.debian.org/debian-lts-announce/2019/04/msg00019.html https://security.gentoo.org/glsa/201904-12

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5