| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Cisco ClamAV 0.98.4. The impacted element is an unknown function of the file clamscan. This manipulation of the argument -a causes denial of service. This vulnerability is handled as CVE-2013-6497. It is possible to launch the attack on the local host. There is not any exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Cisco ClamAV 0.98.4 (Anti-Malware Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the file clamscan. The manipulation of the argument -a with an unknown input leads to a code vulnerability. The CWE definition for the vulnerability is CWE-17. As an impact it is known to affect availability. The summary by CVE is:
clamscan in ClamAV before 0.98.5, when using -a option, allows remote attackers to cause a denial of service (crash) as demonstrated by the jwplayer.js file.
The weakness was released 11/18/2014 by Kurt Siefried with Red Hat as ClamAV 0.98.5 has been released! as confirmed release notes (Website). It is possible to read the advisory at blog.clamav.net. The public release was coordinated with Cisco. This vulnerability is known as CVE-2013-6497 since 11/04/2013. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 79841 (Amazon Linux AMI : clamav (ALAS-2014-457)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167433 (SUSE Enterprise Linux Security update for clamav (SUSE-SU-2014:1571-1)).
Upgrading to version 0.98.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (98804), Tenable (79841), SecurityFocus (BID 71178†), Secunia (SA59645†) and SecurityTracker (ID 1031267†). Additional details are provided at seclists.org. Entries connected to this vulnerability are available at VDB-68265 and VDB-68295. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 3.5
VulDB Base Score: 4.0
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: CodeCWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 79841
Nessus Name: Amazon Linux AMI : clamav (ALAS-2014-457)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2014-457
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: ClamAV 0.98.5
Timeline
11/04/2013 🔍11/18/2014 🔍
11/18/2014 🔍
11/18/2014 🔍
11/18/2014 🔍
11/20/2014 🔍
11/24/2014 🔍
11/27/2014 🔍
11/28/2014 🔍
12/01/2014 🔍
12/10/2014 🔍
02/25/2022 🔍
Sources
Vendor: cisco.comAdvisory: ClamAV 0.98.5 has been released!
Researcher: Kurt Siefried
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2013-6497 (🔍)
GCVE (CVE): GCVE-0-2013-6497
GCVE (VulDB): GCVE-100-68251
OVAL: 🔍
X-Force: 98804 - ClamAV clamscan -a denial of service, Low Risk
SecurityFocus: 71178 - ClamAV CVE-2013-6497 Local Denial of Service Vulnerability
Secunia: 59645 - Ubuntu update for clamav, Highly Critical
SecurityTracker: 1031267 - Clam AntiVirus File Scanning Bug Lets Remote or Local Users Deny Service
Vulnerability Center: 47246 - ClamAV Prior to 0.98.5 Remote Denial-of Service When Scanning JavaScript Files, Medium
Misc.: 🔍
See also: 🔍
Entry
Created: 11/20/2014 10:41Updated: 02/25/2022 06:53
Changes: 11/20/2014 10:41 (88), 05/10/2019 18:35 (7), 02/25/2022 06:53 (2)
Complete: 🔍
Cache ID: 216:3CF:103

No comments yet. Languages: en.
Please log in to comment.