4.3
CVSSv2

CVE-2019-1787

Published: 08/04/2019 Updated: 01/03/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Summary

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 malicious user 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 malicious user 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.

Vulnerability Trend

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clamav clamav

debian debian linux 8.0

opensuse leap 42.3

opensuse leap 15.0

Vendor Advisories

Several security issues were fixed in ClamAV ...
Several security issues were fixed in ClamAV ...
An out-of-bounds heap read condition may occur when scanning PDF documents The defect is a failure to correctly keep track of the number of bytes remaining in a buffer when indexing file data (CVE-2019-1787) An out-of-bounds heap read condition may occur when scanning PE files (ie Windows EXE and DLL files) that have been packed using Aspack a ...