CVE-2019-1798: Clam AntiVirus PE File Out-of-Bounds Read Vulnerability
First published: Mon Apr 08 2019(Updated: )
A vulnerability in the Portable Executable (PE) 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 PE files sent an affected device. An attacker could exploit this vulnerability by sending malformed PE files to the device running an affected version ClamAV Software. An exploit could allow the attacker to cause an out-of-bounds read condition, resulting in a crash that could result in a denial of service condition on an affected device.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Clamav Clamav | <=0.101.1 | |
| <=0.101.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1798?
CVE-2019-1798 is a vulnerability in the Portable Executable (PE) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior that could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.
What is the severity of CVE-2019-1798?
The severity of CVE-2019-1798 is high with a CVSS score of 5.5.
How does CVE-2019-1798 impact Clam AntiVirus (ClamAV) Software?
CVE-2019-1798 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device by exploiting the vulnerability in the PE file scanning functionality of ClamAV.
What is the Common Weakness Enumeration (CWE) ID for CVE-2019-1798?
The CWE ID for CVE-2019-1798 is CWE-125 (Out-of-bounds Read) and CWE-20 (Improper Input Validation).
How can I mitigate the vulnerability in Clam AntiVirus (ClamAV) Software?
To mitigate the vulnerability, it is recommended to update ClamAV Software to version 0.101.2 or later.
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