Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2019-1551 First vendor Publication 2019-12-06
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

There is an overflow bug in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH512 are considered just feasible. However, for an attack the target would have to re-use the DH512 private key, which is not recommended anyway. Also applications directly using the low level API BN_mod_exp may be affected if they use BN_FLG_CONSTTIME. Fixed in OpenSSL 1.1.1e (Affected 1.1.1-1.1.1d). Fixed in OpenSSL 1.0.2u (Affected 1.0.2-1.0.2t).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1551

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 390
Application 1
Application 23
Application 3
Application 1
Os 3
Os 2
Os 3
Os 1

Sources (Detail)

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=419102400a28...
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=f1c5eea8a817...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
BUGTRAQ https://seclists.org/bugtraq/2019/Dec/39
https://seclists.org/bugtraq/2019/Dec/46
CONFIRM https://security.netapp.com/advisory/ntap-20191210-0001/
https://www.openssl.org/news/secadv/20191206.txt
https://www.tenable.com/security/tns-2019-09
https://www.tenable.com/security/tns-2020-03
https://www.tenable.com/security/tns-2020-11
https://www.tenable.com/security/tns-2021-10
DEBIAN https://www.debian.org/security/2019/dsa-4594
https://www.debian.org/security/2021/dsa-4855
GENTOO https://security.gentoo.org/glsa/202004-10
MISC http://packetstormsecurity.com/files/155754/Slackware-Security-Advisory-opens...
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpujul2020.html
MLIST https://lists.debian.org/debian-lts-announce/2022/03/msg00023.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00030.html
UBUNTU https://usn.ubuntu.com/4376-1/
https://usn.ubuntu.com/4504-1/

Alert History

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2020-05-23 02:25:24
  • First insertion