CVE-2019-1551 (GCVE-0-2019-1551)

Vulnerability from cvelistv5 – Published: 2019-12-06 17:20 – Updated: 2024-09-16 19:40
VLAI
Title
rsaz_512_sqr overflow bug on x86_64
Summary
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).
Severity
No CVSS data available.
CWE
  • Integer overflow bug
Assigner
References
URL Tags
https://seclists.org/bugtraq/2019/Dec/39 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4594 vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Dec/46 mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/202004-10 vendor-advisoryx_refsource_GENTOO
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://usn.ubuntu.com/4376-1/ vendor-advisoryx_refsource_UBUNTU
https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISC
https://www.tenable.com/security/tns-2019-09 x_refsource_CONFIRM
https://www.openssl.org/news/secadv/20191206.txt x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba… x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019121… x_refsource_CONFIRM
http://packetstormsecurity.com/files/155754/Slack… x_refsource_MISC
https://www.tenable.com/security/tns-2020-03 x_refsource_CONFIRM
https://usn.ubuntu.com/4504-1/ vendor-advisoryx_refsource_UBUNTU
https://www.oracle.com/security-alerts/cpujan2021.html x_refsource_MISC
https://www.tenable.com/security/tns-2020-11 x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4855 vendor-advisoryx_refsource_DEBIAN
https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
https://www.tenable.com/security/tns-2021-10 x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2022… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: Fixed in OpenSSL 1.1.1e (Affected 1.1.1-1.1.1d)
Affected: Fixed in OpenSSL 1.0.2u (Affected 1.0.2-1.0.2t)
Create a notification for this product.
Date Public
2019-12-06 00:00
Credits
OSS-Fuzz and Guido Vranken
Show details on NVD website
To clipboard 

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    "assignerShortName": "openssl",
    "cveId": "CVE-2019-1551",
    "datePublished": "2019-12-06T17:20:14.842Z",
    "dateReserved": "2018-11-28T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:40:14.240Z",
    "state": "PUBLISHED"
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"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).\"}, {\"lang\": \"es\", \"value\": \"Hay un error de desbordamiento en el procedimiento de cuadratura Montgomery x64_64 utilizado en exponenciaci\\u00f3n con m\\u00f3dulos de 512 bits. No hay algoritmos EC afectados. El an\\u00e1lisis sugiere que los ataques contra 2-prime RSA1024, 3-prime RSA1536 y DSA1024 como resultado de este defecto ser\\u00edan muy dif\\u00edciles de realizar y no se cree probable. Los ataques contra DH512 se consideran simplemente factibles. Sin embargo, para un ataque, el objetivo tendr\\u00eda que reutilizar la clave privada DH512, que de todos modos no se recomienda. Tambi\\u00e9n las aplicaciones que usan directamente la API de bajo nivel BN_mod_exp pueden verse afectadas si usan BN_FLG_CONSTTIME. Corregido en OpenSSL 1.1.1e (afectado 1.1.1-1.1.1d). Corregido en OpenSSL 1.0.2u (afectado 1.0.2-1.0.2t).\"}]",
      "id": "CVE-2019-1551",
      "lastModified": "2024-11-21T04:36:48.500",
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      "published": "2019-12-06T18:15:12.840",
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      "sourceIdentifier": "openssl-security@openssl.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-190\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-1551\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2019-12-06T18:15:12.840\",\"lastModified\":\"2024-11-21T04:36:48.500\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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).\"},{\"lang\":\"es\",\"value\":\"Hay un error de desbordamiento en el procedimiento de cuadratura Montgomery x64_64 utilizado en exponenciaci\u00f3n con m\u00f3dulos de 512 bits. No hay algoritmos EC afectados. El an\u00e1lisis sugiere que los ataques contra 2-prime RSA1024, 3-prime RSA1536 y DSA1024 como resultado de este defecto ser\u00edan muy dif\u00edciles de realizar y no se cree probable. Los ataques contra DH512 se consideran simplemente factibles. Sin embargo, para un ataque, el objetivo tendr\u00eda que reutilizar la clave privada DH512, que de todos modos no se recomienda. Tambi\u00e9n las aplicaciones que usan directamente la API de bajo nivel BN_mod_exp pueden verse afectadas si usan BN_FLG_CONSTTIME. Corregido en OpenSSL 1.1.1e (afectado 1.1.1-1.1.1d). Corregido en OpenSSL 1.0.2u (afectado 1.0.2-1.0.2t).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.0.2\",\"versionEndIncluding\":\"1.0.2t\",\"matchCriteriaId\":\"CB593B7C-3D0B-4A2B-BB53-DB2708983D6A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.1.1\",\"versionEndIncluding\":\"1.1.1d\",\"matchCriteriaId\":\"2D3BF86F-708B-49E5-B8A3-C56C977D3232\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B095CC03-7077-4A58-AB25-CC5380CDCE5A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.0.12\",\"matchCriteriaId\":\"9A3BBE71-CA00-4F54-9210-FC7572C87CFB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndIncluding\":\"8.0.20\",\"matchCriteriaId\":\"73573516-EDA0-4176-A3ED-2F7006C87F8E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0A735B4-4F3C-416B-8C08-9CB21BAD2889\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7E1E416B-920B-49A0-9523-382898C2979D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D9DB4A14-2EF5-4B54-95D2-75E6CF9AA0A9\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A31C8344-3E02-4EB8-8BD8-4C84B7959624\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"97A4B8DF-58DA-4AB6-A1F9-331B36409BA3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80F0FA5D-8D3B-4C0E-81E2-87998286AF33\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tenable:log_correlation_engine:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.0.9\",\"matchCriteriaId\":\"4ACF85D6-6B45-43DA-9C01-F0208186F014\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00030.html\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Mailing 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  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.