Vulnerability identifier: #VU26311

Vulnerability risk: Medium

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

CVE-ID: CVE-2019-10091

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Geode
Server applications / Other server solutions

Vendor: Apache Foundation

Description
The vulnerability allows a remote attacker to perform a man-in-the-middle attack.

The vulnerability exists when TLS is enabled with ssl-endpoint-identification-enabled set to true, due to the affected software fails to perform hostname verification of the entries in the certificate SAN during the SSL handshake. A remote attacker can supply a specially crafted certificate, perform a man-in-the-middle attack and eavesdrop on an encrypted communication.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Geode: 1.9.0

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External links
http://lists.apache.org/thread.html/r3342077ac4798631300366be86e545d0c08753cca8fd2663867fe200%40%3Cdev.geode.apache.org%3E
http://github.com/apache/geode/pull/3849/files

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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.