Vulnerability identifier: #VU87553
Vulnerability risk: High
CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-693
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
AMaViS
Server applications /
Server solutions for antivurus protection
Vendor: Amavis.org
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the way Amavis handles emails consisting of multiple parts (`Content-Type: multipart/*`). A remote attacker can create a specially crafted email message that can bypass antivirus scan and deliver potentially dangerous attachments to the end users.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
AMaViS: 0.1.1 - 20040701 rc5
External links
http://gitlab.com/amavis/amavis/-/commit/3290c9c2a11a8cc9595b5810b2f86c1dac25a392#4550d389b7e0a48a75cb34e3bf1df26473e6fe77
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.