Vulnerability CVE-2017-12376


Published: 2018-01-26

Description:
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 when handling Portable Document Format (.pdf) files sent to an affected device. An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted .pdf file to an affected device. This action could cause a handle_pdfname (in pdf.c) buffer overflow when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition or potentially execute arbitrary code.

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

Vendor: Debian
Product: Debian linux 
Version: 7.0;
Vendor: Clamav
Product: Clamav 
Version: 0.99.2;

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
https://bugzilla.clamav.net/show_bug.cgi?id=11942
https://lists.debian.org/debian-lts-announce/2018/01/msg00035.html
https://usn.ubuntu.com/3550-1/
https://usn.ubuntu.com/3550-2/

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