Cryptographic issues in OpenSSL - CVE-2019-1551

 

Cryptographic issues in OpenSSL - CVE-2019-1551

Published: December 8, 2019 / Updated: March 18, 2020


Vulnerability identifier: #VU23451
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1551
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an overflow issue within the rsaz_512_sqr(): the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. A remote attacker can perform an attack against DH512 keys.


Affected software

OpenSSL
Gentoo Linux
Fedora
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Slackware Linux
Opensuse
Ubuntu
openssl (Red Hat package)
openssl (Alpine package)
openssl (Ubuntu package)
libssl1.0.0 (Ubuntu package)
openssl1.0 (Debian package)
openssl (Debian package)
openssl11
openssl
Tenable.sc
Red Hat OpenShift Serverless
OpenShift Data Foundation (formerly OpenShift Container Storage)
Helm
MySQL Enterprise Monitor
IBM Qradar SIEM
Oracle Enterprise Manager Ops Center
IBM PureData System for Operational Analytics
NetWorker
EMC ECS
EMC Data Domain
Contrail Networking

How to mitigate CVE-2019-1551

Install update from vendor's website.

OpenSSL - addressed in versions 1.0.2u, 1.1.1e
openssl (Red Hat package) - update to 1.1.1g-11.el8
Tenable.sc - addressed in versions 5.13.0, 5.17.0
Red Hat OpenShift Serverless - update to 1.11.0
Helm - update to 2.16.2
MySQL Enterprise Monitor - update to 8.0.21
IBM Qradar SIEM - update to 7.5.0 Update Pack 8
openssl (Alpine package) - addressed in versions 1.0.2u-r0, 1.1.1d-r2
openssl (Ubuntu package) - addressed in versions 1.0.2g-1ubuntu4.16, 1.1.1-1ubuntu2.1~18.04.6, 1.1.1c-1ubuntu4.1
libssl1.0.0 (Ubuntu package) - update to 1.0.2n-1ubuntu5.4
openssl1.0 (Debian package) - update to 1.0.2u-1~deb9u1
openssl (Debian package) - update to 1.1.1d-0+deb10u5
openssl11 - update to 1.1.1g-1.el7
openssl - addressed in versions 1.1.1g-1.fc30, 1.1.1g-1.fc31, 1.1.1g-1.fc32
IBM PureData System for Operational Analytics - update to 1.1 FP5
EMC ECS - update to 3.5.0.1
EMC Data Domain - addressed in versions 6.1.2.70, 6.2.1.0, 7.0.0.20
NetWorker - update to 19.10.0.0
Contrail Networking - update to R22.3

External References

Related Security Bulletins