CVE-2019-15961
Clam AntiVirus (ClamAV) Software Email Parsing Vulnerability
Description
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.
INFO
Published Date :
Jan. 15, 2020, 7:15 p.m.
Last Modified :
Nov. 21, 2024, 4:29 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2019-15961
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | 
Solution
- Update the ClamAV packages.
 - Apply the relevant patches for your operating system.
 
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2019-15961.
                                        
| URL | Resource | 
|---|---|
| https://bugzilla.clamav.net/show_bug.cgi?id=12380 | Exploit Issue Tracking Vendor Advisory | 
| https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html | Mailing List Third Party Advisory | 
| https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010 | Third Party Advisory | 
| https://security.gentoo.org/glsa/202003-46 | Third Party Advisory | 
| https://usn.ubuntu.com/4230-2/ | Third Party Advisory | 
| https://bugzilla.clamav.net/show_bug.cgi?id=12380 | Exploit Issue Tracking Vendor Advisory | 
| https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html | Mailing List Third Party Advisory | 
| https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010 | Third Party Advisory | 
| https://security.gentoo.org/glsa/202003-46 | Third Party Advisory | 
| https://usn.ubuntu.com/4230-2/ | Third Party Advisory | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2019-15961 is
            associated with the following CWEs:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2019-15961
            weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2019-15961 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2019-15961 vulnerability over time.
            
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
- 
                            
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.clamav.net/show_bug.cgi?id=12380 Added Reference https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html Added Reference https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010 Added Reference https://security.gentoo.org/glsa/202003-46 Added Reference https://usn.ubuntu.com/4230-2/  - 
                            
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value  - 
                            
Modified Analysis by [email protected]
Oct. 19, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202003-46 No Types Assigned https://security.gentoo.org/glsa/202003-46 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4230-2/ No Types Assigned https://usn.ubuntu.com/4230-2/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*  - 
                            
CVE Modified by [email protected]
Mar. 19, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202003-46 [No Types Assigned]  - 
                            
CVE Modified by [email protected]
Feb. 18, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html [No Types Assigned]  - 
                            
CVE Modified by [email protected]
Jan. 28, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4230-2/ [No Types Assigned]  - 
                            
Initial Analysis by [email protected]
Jan. 21, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.clamav.net/show_bug.cgi?id=12380 No Types Assigned https://bugzilla.clamav.net/show_bug.cgi?id=12380 Exploit, Issue Tracking, Vendor Advisory Changed Reference Type https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010 No Types Assigned https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010 Third Party Advisory Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* versions up to (including) 0.101.4 *cpe:2.3:a:clamav:clamav:0.102.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:cisco:email_security_appliance_firmware:11.1.1-042:*:*:*:*:*:*:* *cpe:2.3:o:cisco:email_security_appliance_firmware:11.1.2-023:*:*:*:*:*:*:*  - 
                            
CVE Modified by [email protected]
Jan. 15, 2020
Action Type Old Value New Value Changed Description 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. 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.  
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 7.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.06 }} 0.36%
score
0.86196
percentile