ClamAV Antivirus Software up to 0.99.2 mbox.c rfc2047 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in ClamAV Antivirus Software up to 0.99.2. It has been declared as critical. The impacted element is the function rfc2047 of the file mbox.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2017-12375. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in ClamAV Antivirus Software up to 0.99.2 (Anti-Malware Software). Affected is the function rfc2047 of the file mbox.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

The 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 on an affected device. The vulnerability is due to a lack of input validation checking mechanisms during certain mail parsing functions (the rfc2047 function in mbox.c). An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted email to the affected device. This action could cause a buffer overflow condition when ClamAV scans the malicious email, allowing the attacker to potentially cause a DoS condition on an affected device.

The bug was discovered 01/25/2018. The weakness was disclosed 01/26/2018 (Website). The advisory is available at blog.clamav.net. This vulnerability is traded as CVE-2017-12375 since 08/03/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

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-112483 and VDB-112484 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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-2017-12375 (🔍)
GCVE (CVE): GCVE-0-2017-12375
GCVE (VulDB): GCVE-100-112482
See also: 🔍

Entryinfo

Created: 01/27/2018 09:43
Updated: 02/02/2023 18:13
Changes: 01/27/2018 09:43 (75), 12/28/2019 08:25 (4), 02/02/2023 18:13 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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