CVE-2019-1543

openssl: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as...

CVE-2019-1543 is fixed in 5 products on 1 platform, first by libssl1.1 1.1.1-1ubuntu2.1~18.04.2, released March 6, 2019. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.4
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0570
93rd percentile

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. The following packages have been upgraded to a later upstream version: openssl (1.1.1c). (BZ#1643026) Security Fix(es): * openssl: timing side channel attack in the DSA signature algorithm (CVE-2018-0734) * openssl: timing side channel attack in the ECDSA signature generation (CVE-2018-0735) * openssl: ChaCha20-Poly1305 with long nonces (CVE-2019-1543) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
libssl1.1 · Ubuntu 18.04.6 LTS (bionic) 1.1.1-1ubuntu2.1~18.04.2 libssl1.1 1.1.1-1ubuntu2.1~18.04.2 Mar 6, 2019
openssl · RHEL 8 1:1.1.1c-2.el8 RHSA-2019:3700 Nov 5, 2019
openssl · Ubuntu 18.04.6 LTS (bionic) 1.1.1-1ubuntu2.1~18.04.2 openssl 1.1.1-1ubuntu2.1~18.04.2 Mar 6, 2019
openssl · ol 8 1:1.1.1c-2.el8 ELSA-2019-3700 Nov 14, 2019
openssl-devel · RHEL 8 1:1.1.1c-2.el8 RHSA-2019:3700 Nov 5, 2019
openssl-devel · ol 8 1:1.1.1c-2.el8 ELSA-2019-3700 Nov 14, 2019
openssl-libs · RHEL 8 1:1.1.1c-2.el8 RHSA-2019:3700 Nov 5, 2019
openssl-libs · ol 8 1:1.1.1c-2.el8 ELSA-2019-3700 Nov 14, 2019
openssl-perl · RHEL 8 1:1.1.1c-2.el8 RHSA-2019:3700 Nov 5, 2019
openssl-perl · ol 8 1:1.1.1c-2.el8 ELSA-2019-3700 Nov 14, 2019

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