Vulnerability identifier: #VU19182

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13470

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MatrixSSL
Server applications / Server solutions for antivurus protection

Vendor: InsideSecure

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition.

The vulnerability exists due to an out-of-bounds read condition during ASN.1 handing. A remote attacker can send a specially crafted certificate to the affected application and cause it to crash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MatrixSSL: 1.8.1 - 4.1.0

---

External links
http://github.com/matrixssl/matrixssl/blob/4-2-1-open/doc/CHANGES_v4.x.md#changes-between-420-and-421-june-2019

---

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.