ClamAV Antivirus Software up to 0.99.2 mew Packet mew.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in ClamAV Antivirus Software up to 0.99.2. This impacts an unknown function of the file mew.c of the component mew Packet Handler. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-12377. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ClamAV Antivirus Software up to 0.99.2 (Anti-Malware Software). Affected by this issue is an unknown functionality of the file mew.c of the component mew Packet Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device. The vulnerability is due to improper input validation checking mechanisms in mew packet files sent to an affected device. A successful exploit could cause a heap-based buffer over-read condition in mew.c when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition or potentially execute arbitrary code on the affected device.

The bug was discovered 01/25/2018. The weakness was shared 01/26/2018 (Website). The advisory is shared for download at blog.clamav.net. This vulnerability is handled as CVE-2017-12377 since 08/03/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 106431 (openSUSE Security Update : clamav (openSUSE-2018-102)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170721 (SUSE Enterprise Linux Security Update for clamav (SUSE-SU-2018:0255-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106431). The entries VDB-104894, VDB-112481, VDB-112482 and VDB-112483 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106431
Nessus Name: openSUSE Security Update : clamav (openSUSE-2018-102)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 15485
OpenVAS Name: ClamAV messageAddArgument Multiple Vulnerabilities (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/03/2017 🔍
01/25/2018 +175 days 🔍
01/26/2018 +1 days 🔍
01/26/2018 +0 days 🔍
01/27/2018 +1 days 🔍
01/28/2018 +1 days 🔍
01/29/2018 +1 days 🔍
02/02/2023 +1830 days 🔍

Sourcesinfo

Advisory: USN-3550-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12377 (🔍)
GCVE (CVE): GCVE-0-2017-12377
GCVE (VulDB): GCVE-100-112484
See also: 🔍

Entryinfo

Created: 01/27/2018 09:44
Updated: 02/02/2023 18:27
Changes: 01/27/2018 09:44 (75), 12/28/2019 08:32 (4), 02/02/2023 18:27 (4)
Complete: 🔍
Cache ID: 216::103

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