CVE-2016-0798 Denial of service in n/a

High 7.5 Published Updated

Remote attackers can cause denial of service via memory consumption by providing an invalid username during connection attempts in OpenSSL.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-0798?

CVE-2016-0798 is a high-severity denial of service vulnerability in Openssl Openssl, published on 3 Mar 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory leak in the SRP_VBASE_get_by_user implementation in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allows remote attackers to cause a denial of service (memory consumption) by providing an invalid username in a connection attempt, related to apps/s_server.c and crypto/srp/srp_vfy.c.

Weakness: CWE-399

Which versions are affected by CVE-2016-0798?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2016-0798?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-0798 being exploited?

There is no known exploitation of CVE-2016-0798 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-0798, GHSA-8wvj-cwfq-pc44, UBUNTU-CVE-2016-0798.

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