Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-1551 |
CWE-ID | CWE-310 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
OpenSSL Server applications / Encryption software |
Vendor | OpenSSL Software Foundation |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated: 18.03.2020
Changed bulletin status ti patched.
EUVDB-ID: #VU23451
Risk: Low
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]
CVE-ID: CVE-2019-1551
CWE-ID:
CWE-310 - Cryptographic Issues
Exploit availability: No
DescriptionThe 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.
Install update from vendor's website.
Vulnerable software versionsOpenSSL: 1.0.2 - 1.1.1d
External linkshttp://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=419102400a2811582a7a3d4a4e317d72e5ce0a8f
http://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=f1c5eea8a817075d31e43f5876993c6710238c98
http://www.openssl.org/news/secadv/20191206.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.