#VU23451 Cryptographic issues in OpenSSL - CVE-2019-1551

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Main Vulnerability Database Vulnerabilities #VU23451

#VU23451 Cryptographic issues in OpenSSL - CVE-2019-1551

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


Vulnerability identifier: #VU23451
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2019-1551
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSL
Software vendor:
OpenSSL Software Foundation

Description

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.


Remediation

Install update from vendor's website.

External links