Vulnerability identifier: #VU25102

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-16779

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Excon
Web applications / Modules and components for CMS

Vendor: Excon

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to a race condition around persistent connections, where a connection which is interrupted (such as by a timeout) would leave data on the socket. A remote attacker can exploit the race and gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Excon: 0.0.22 - 0.70.0

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External links
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00021.html
http://github.com/excon/excon/commit/ccb57d7a422f020dc74f1de4e8fb505ab46d8a29
http://github.com/excon/excon/security/advisories/GHSA-q58g-455p-8vw9
http://lists.debian.org/debian-lts-announce/2020/01/msg00015.html

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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.