Summaryinfo

A vulnerability identified as problematic has been detected in ClamAV Antivirus up to 0.101.1. This affects an unknown part of the component File Scanning. This manipulation as part of PE File causes out-of-bounds. This vulnerability is registered as CVE-2019-1798. Remote exploitation of the attack is possible. No exploit is available. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability was found in ClamAV Antivirus up to 0.101.1 (Anti-Malware Software). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component File Scanning. The manipulation as part of a PE File leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

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.

The bug was discovered 04/08/2019. The weakness was published 04/08/2019 (Website). It is possible to read the advisory at security.gentoo.org. This vulnerability is known as CVE-2019-1798 since 12/06/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-133132, VDB-133134, VDB-133131 and VDB-133133. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Anti-Malware Software

Vendor

• ClamAV

Name

• Antivirus

Version

• 0.101.0
• 0.101.1

License

• free

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CPE 2.2info

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