[ GLSA 202004-10 ] OpenSSL

[GLSA]

Gentoo Linux Security Advisory

Title: OpenSSL: Multiple vulnerabilities (GLSA 202004-10)
Severity: normal
Exploitable: local, remote
Date: 2020-04-23
Bug(s): #702176, #717442
ID: 202004-10

Synopsis

Multiple vulnerabilities were found in OpenSSL, the worst of which
could allow remote attackers to cause a Denial of Service condition.


Background

OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1/v1.1/v1.2/v1.3) as well
as a general purpose cryptography library.


Affected Packages

Package: dev-libs/openssl
Vulnerable: < 1.1.1g
Unaffected: >= 1.1.1g
Architectures: All supported architectures


Description

Multiple vulnerabilities have been discovered in OpenSSL. Please review
the CVE identifiers referenced below for details.


Impact

A remote attacker could perform a malicious crafted TLS 1.3 handshake
against an application using OpenSSL, possibly resulting in a Denial of
Service condition.
In addition, it’s feasible that an attacker might attack DH512.

Workaround

There is no known workaround at this time.

Resolution

All OpenSSL users should upgrade to the latest version: