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).
References
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History
19 Apr 2022, 15:36
Type | Values Removed | Values Added |
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References | (MISC) https://www.oracle.com/security-alerts/cpujul2020.html - Patch, Third Party Advisory | |
References | (MLIST) https://lists.debian.org/debian-lts-announce/2022/03/msg00023.html - Mailing List, Third Party Advisory | |
References | (MISC) https://www.oracle.com/security-alerts/cpuApr2021.html - Patch, Third Party Advisory | |
References | (CONFIRM) https://www.tenable.com/security/tns-2021-10 - Third Party Advisory | |
References | (MISC) https://www.oracle.com/security-alerts/cpujan2021.html - Patch, Third Party Advisory | |
CPE | cpe:2.3:a:tenable:log_correlation_engine:*:*:*:*:*:*:*:* |
17 Mar 2022, 12:15
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CWE | CWE-190 | |
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14 Jun 2021, 18:15
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02 Jun 2021, 19:15
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Information
Published : 2019-12-06 18:15
Updated : 2024-02-04 20:39
NVD link : CVE-2019-1551
Mitre link : CVE-2019-1551
CVE.ORG link : CVE-2019-1551
JSON object : View
Products Affected
openssl
- openssl
debian
- debian_linux
fedoraproject
- fedora
oracle
- mysql_enterprise_monitor
- peoplesoft_enterprise_peopletools
- enterprise_manager_ops_center
canonical
- ubuntu_linux
opensuse
- leap
tenable
- log_correlation_engine
CWE
CWE-190
Integer Overflow or Wraparound