ClamAV Antivirus up to 0.101.4/0.102.0 MIME Parser input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

A vulnerability was found in ClamAV Antivirus up to 0.101.4/0.102.0 (Anti-Malware Software). It has been rated as problematic. This issue affects an unknown code block of the component MIME Parser. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

A vulnerability in the email parsing module Clam AntiVirus (ClamAV) Software versions 0.102.0, 0.101.4 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to inefficient MIME parsing routines that result in extremely long scan times of specially formatted email files. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to scan the crafted email file indefinitely, resulting in a denial of service condition.

The weakness was released 01/15/2020 as Bug 12380 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.clamav.net. The identification of this vulnerability is CVE-2019-15961 since 09/06/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/16/2020).

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

Entries connected to this vulnerability are available at VDB-226854, VDB-229852, VDB-229853 and VDB-229854.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/06/2019 🔍
01/15/2020 +131 days 🔍
01/16/2020 +1 days 🔍
03/24/2024 +1529 days 🔍

Sourcesinfo

Advisory: Bug 12380
Status: Confirmed

CVE: CVE-2019-15961 (🔍)
See also: 🔍

Entryinfo

Created: 01/16/2020 09:46 AM
Updated: 03/24/2024 09:51 AM
Changes: 01/16/2020 09:46 AM (39), 01/16/2020 09:51 AM (12), 03/24/2024 09:51 AM (34)
Complete: 🔍
Cache ID: 44:A26:40

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