Clam Antivirus up to 0.98.4 PE File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Clam Antivirus up to 0.98.4 and classified as critical. The impacted element is an unknown function of the component PE File Handler. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2014-9050. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Clam Antivirus up to 0.98.4 (Anti-Malware Software). This affects an unknown part of the component PE File 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 confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the cli_scanpe function in libclamav/pe.c in ClamAV before 0.98.5 allows remote attackers to cause a denial of service (crash) via a crafted y0da Crypter PE file.

The weakness was published 11/18/2014 by Damien Millescamps as confirmed release notes (Website) via ClamAV 0.98.5 has been released!. It is possible to read the advisory at blog.clamav.net. This vulnerability is uniquely identified as CVE-2014-9050 since 11/21/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 79844 (GLSA-201412-05 : Clam AntiVirus: Denial of service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo 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.

The vulnerability is also documented in the databases at X-Force (98804), Tenable (79844), SecurityFocus (BID 71242†), Secunia (SA53150†) and SecurityTracker (ID 1031268†). Similar entries are available at VDB-8507, VDB-8564, VDB-8565 and VDB-68251. Statistical analysis made it clear that VulDB provides the best quality 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: 7.3
VulDB Meta Temp Score: 7.0

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

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: 79844
Nessus Name: GLSA-201412-05 : Clam AntiVirus: Denial of service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867259
OpenVAS Name: Fedora Update for clamav FEDORA-2014-15463
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Antivirus 0.98.5
Patch: github.com

Timelineinfo

11/18/2014 🔍
11/21/2014 +3 days 🔍
11/21/2014 +0 days 🔍
11/21/2014 +0 days 🔍
11/27/2014 +6 days 🔍
12/01/2014 +4 days 🔍
12/01/2014 +0 days 🔍
12/10/2014 +9 days 🔍
12/14/2014 +4 days 🔍
02/27/2022 +2632 days 🔍

Sourcesinfo

Advisory: USN-2423-1
Researcher: Damien Millescamps
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9050 (🔍)
GCVE (CVE): GCVE-0-2014-9050
GCVE (VulDB): GCVE-100-68295

OVAL: 🔍

X-Force: 98804
SecurityFocus: 71242 - ClamAV 'libclamav/pe.c' Heap Based Buffer Overflow Vulnerability
Secunia: 53150
SecurityTracker: 1031268 - Clam AntiVirus Buffer Overflow in Processing PE Files Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 47580 - ClamAV <0.95.8 'libclamav/pe.c\x27 Remote DoS Vulnerability via a Crafted \x27y0da\x27 Crypter PE File, Medium

See also: 🔍

Entryinfo

Created: 12/01/2014 09:01
Updated: 02/27/2022 10:23
Changes: 12/01/2014 09:01 (77), 06/15/2017 11:23 (8), 02/27/2022 10:17 (4), 02/27/2022 10:23 (1)
Complete: 🔍
Cache ID: 216:678:103

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