CVE-2019-5102 Security feature bypass in OpenWRT

Medium 4.0 Published Updated

Attackers can intercept data via man-in-the-middle attacks because the SSL library ignores invalid certificate checks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-5102?

CVE-2019-5102 is a medium-severity vulnerability in Openwrt Openwrt, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1. When connecting to a remote server, the server's SSL certificate is checked but no action is taken when the certificate is invalid. An attacker could exploit this behavior by performing a man-in-the-middle attack, providing any certificate, leading to the theft of all the data sent by the client during the first request.An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1. When connecting to a remote server, the server's SSL certificate is checked but no action is taken when the certificate is invalid. An attacker could exploit this behavior by performing a man-in-the-middle attack, providing any certificate, leading to the theft of all the data sent by the client during the first request.

Weakness: CWE-295

Which versions are affected by CVE-2019-5102?

It affects 1 product.

Products include Openwrt Openwrt.

How do I fix CVE-2019-5102?

No fix has been published for CVE-2019-5102 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-5102 being exploited?

There is no known exploitation of CVE-2019-5102 in the wild and no public exploit code.

All Openwrt Openwrt vulnerabilities

Sources

Also known as GHSA-prph-v9x5-8c8c.

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