ClamAV Antivirus Software up to 0.99.2 TAR Archive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ClamAV Antivirus Software up to 0.99.2. Affected is an unknown function of the component TAR Archive Handler. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2017-12378. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in ClamAV Antivirus Software up to 0.99.2 (Anti-Malware Software). This affects some unknown functionality of the component TAR Archive Handler. 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. The summary by CVE is:

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 improper input validation checking mechanisms of .tar (Tape Archive) files sent to an affected device. A successful exploit could cause a checksum buffer over-read condition when ClamAV scans the malicious .tar file, potentially allowing the attacker to cause a DoS condition on the affected device.

The bug was discovered 01/25/2018. The weakness was published 01/26/2018 (Website). The advisory is shared at blog.clamav.net. This vulnerability is uniquely identified as CVE-2017-12378 since 08/03/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly 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 $0-$5k. 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). Similar entries are available at VDB-104894, VDB-112481, VDB-112482 and VDB-112483. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
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-2017-12378 (🔍)
GCVE (CVE): GCVE-0-2017-12378
GCVE (VulDB): GCVE-100-112485
See also: 🔍

Entryinfo

Created: 01/27/2018 09:44
Updated: 02/02/2023 18:34
Changes: 01/27/2018 09:44 (74), 12/28/2019 08:35 (4), 02/02/2023 18:34 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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