Cisco ClamAV up to 0.100.0 PDF input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco ClamAV up to 0.100.0. Impacted is an unknown function of the component PDF Handler. The manipulation results in input validation. This vulnerability is known as CVE-2018-0361. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco ClamAV up to 0.100.0 (Anti-Malware Software). Affected is an unknown functionality of the component PDF Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

ClamAV before 0.100.1 lacks a PDF object length check, resulting in an unreasonably long time to parse a relatively small file.

The bug was discovered 07/09/2018. The weakness was published 07/16/2018 (Website). The advisory is shared for download at blog.clamav.net. This vulnerability is traded as CVE-2018-0361 since 11/27/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 111374 (Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : clamav regression (USN-3722-3)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197210 (Ubuntu Security Notification for Clamav Vulnerabilities (USN-3722-1)).

Upgrading to version 0.100.1 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111374) and SecurityTracker (ID 1041367†). Similar entry is available at VDB-121488. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111374
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : clamav regression (USN-3722-3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ClamAV 0.100.1

Timelineinfo

11/27/2017 🔍
07/09/2018 +224 days 🔍
07/16/2018 +6 days 🔍
07/16/2018 +0 days 🔍
07/16/2018 +0 days 🔍
07/25/2018 +9 days 🔍
07/26/2018 +1 days 🔍
07/27/2018 +1 days 🔍
04/09/2023 +1717 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: USN-3722-3
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0361 (🔍)
GCVE (CVE): GCVE-0-2018-0361
GCVE (VulDB): GCVE-100-121500
SecurityTracker: 1041367

See also: 🔍

Entryinfo

Created: 07/16/2018 22:40
Updated: 04/09/2023 10:06
Changes: 07/16/2018 22:40 (75), 06/08/2020 18:14 (6), 04/09/2023 10:02 (3), 04/09/2023 10:06 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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