CVE-2016-2177 Integer overflow in n/a

Critical 9.8 Published 20 Jun 2016 Updated 5 Aug 2024

Remote attackers can cause a denial of service via integer overflow in OpenSSL's heap-buffer boundary checks, affecting systems using the library.

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

What is CVE-2016-2177?

CVE-2016-2177 is a critical vulnerability in Openssl Openssl, published on 20 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenSSL through 1.0.2h incorrectly uses pointer arithmetic for heap-buffer boundary checks, which might allow remote attackers to cause a denial of service (integer overflow and application crash) or possibly have unspecified other impact by leveraging unexpected malloc behavior, related to s3_srvr.c, ssl_sess.c, and t1_lib.c.

Weakness: CWE-190

Which versions are affected by CVE-2016-2177?

It affects 6 products.

Products include Hp Icewall Mcrp, Hp Icewall Sso, Hp Icewall Sso Agent Option, Openssl Openssl, Oracle Linux, Oracle Solaris.

How do I fix CVE-2016-2177?

Upgrade to a fixed version.

Is CVE-2016-2177 being exploited?

There is no known exploitation of CVE-2016-2177 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as ALPINE-CVE-2016-2177, DEBIAN-CVE-2016-2177, GHSA-pgwh-48cm-wrqw, UBUNTU-CVE-2016-2177.