Vulnerability CVE-2017-12375


Published: 2018-01-26

Description:
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.

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:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete

 References:
http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
https://bugzilla.clamav.net/show_bug.cgi?id=11940
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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