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CVE-2019-1787— Clam AntiVirus PDF Denial of Service Vulnerability

Quick assessment

Affected
Cisco ClamAV
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Clam AntiVirus是ClamAV团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。 Clam AntiVirus 0.101.1及之前版本中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 7.5 Difficulty: Easy EPSS 1.68% · P76

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-1787

Vulnerability Information
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Vulnerability Title
Clam AntiVirus PDF Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Portable Document Format (PDF) scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior 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 proper data handling mechanisms within the device buffer while indexing remaining file data on an affected device. An attacker could exploit this vulnerability by sending crafted PDF files to an affected device. A successful exploit could allow the attacker to cause a heap buffer out-of-bounds read condition, resulting in a crash that could result in a denial of service condition on an affected device.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Clam AntiVirus 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Clam AntiVirus是ClamAV团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。 Clam AntiVirus 0.101.1及之前版本中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco ClamAV 0.101.1 -

II. Public POCs for CVE-2019-1787

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III. Intelligence Information for CVE-2019-1787

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Vendor Advisories for CVE-2019-1787 (1)

Mailing List Discussions for CVE-2019-1787 (3)

Other References for CVE-2019-1787 (1)

Same Patch Batch · Cisco · 2019-04-08 · 5 CVEs total

CVE-2019-1798 Clam AntiVirus PE File Out-of-Bounds Read Vulnerability
CVE-2019-1788 ClamAV OLE2 File Out-Of-Bounds Write Vulnerability
CVE-2019-1785 Clam AntiVirus RAR Directory Traversal Vulnerability
CVE-2019-1786 Clam AntiVirus PDF Out-of-Bounds Read Vulnerability

IV. Related Vulnerabilities

Same product: ClamAV
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2019-1787

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