Input validation error in ScanMail



| Updated: 2020-08-09
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-3326
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
ScanMail
Other software / Other software solutions

Vendor Trend Micro

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU40793

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-3326

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack. <a href="https://cwe.mitre.org/data/definitions/330.html">CWE-330: Use of Insufficiently Random Values</a>

Mitigation

Install update from vendor's website.

Vulnerable software versions

ScanMail: 10.2 - 11.0

CPE2.3 External links

https://blog.malerisch.net/2016/05/trendmicro-smex-session-predictable-cve-2015-3326.html
https://esupport.trendmicro.com/solution/en-US/1109669.aspx
https://www.securityfocus.com/bid/74661
https://www.securitytracker.com/id/1032323


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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