CVE-2024-9143 (GCVE-0-2024-9143)

Vulnerability from cvelistv5 – Published: 2024-10-16 17:09 – Updated: 2026-05-12 11:43
VLAI
Title
Low-level invalid GF(2^m) parameters lead to OOB memory access
Summary
Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for the field polynomial can lead to out-of-bounds memory reads or writes. Impact summary: Out of bound memory writes can lead to an application crash or even a possibility of a remote code execution, however, in all the protocols involving Elliptic Curve Cryptography that we're aware of, either only "named curves" are supported, or, if explicit curve parameters are supported, they specify an X9.62 encoding of binary (GF(2^m)) curves that can't represent problematic input values. Thus the likelihood of existence of a vulnerable application is low. In particular, the X9.62 encoding is used for ECC keys in X.509 certificates, so problematic inputs cannot occur in the context of processing X.509 certificates. Any problematic use-cases would have to be using an "exotic" curve encoding. The affected APIs include: EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params(), and various supporting BN_GF2m_*() functions. Applications working with "exotic" explicit binary (GF(2^m)) curve parameters, that make it possible to represent invalid field polynomials with a zero constant term, via the above or similar APIs, may terminate abruptly as a result of reading or writing outside of array bounds. Remote code execution cannot easily be ruled out. The FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.3.0 , < 3.3.3 (semver)
Affected: 3.2.0 , < 3.2.4 (semver)
Affected: 3.1.0 , < 3.1.8 (semver)
Affected: 3.0.0 , < 3.0.16 (semver)
Affected: 1.1.1 , < 1.1.1zb (custom)
Affected: 1.0.2 , < 1.0.2zl (custom)
Create a notification for this product.
Siemens SIDIS Prime Affected: 0 , < V4.0.700 (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
Create a notification for this product.
Date Public
2024-10-16 14:00
Credits
Google OSS-Fuzz-Gen Viktor Dukhovni
Show details on NVD website
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    },
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Thus the likelihood of existence of a vulnerable\\napplication is low.\\n\\nIn particular, the X9.62 encoding is used for ECC keys in X.509 certificates,\\nso problematic inputs cannot occur in the context of processing X.509\\ncertificates.  Any problematic use-cases would have to be using an \\\"exotic\\\"\\ncurve encoding.\\n\\nThe affected APIs include: EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params(),\\nand various supporting BN_GF2m_*() functions.\\n\\nApplications working with \\\"exotic\\\" explicit binary (GF(2^m)) curve parameters,\\nthat make it possible to represent invalid field polynomials with a zero\\nconstant term, via the above or similar APIs, may terminate abruptly as a\\nresult of reading or writing outside of array bounds.  Remote code execution\\ncannot easily be ruled out.\\n\\nThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.\"},{\"lang\":\"es\",\"value\":\"Resumen del problema: el uso de las API de curva el\u00edptica GF(2^m) de bajo nivel con valores expl\u00edcitos no confiables para el campo polinomial puede generar lecturas o escrituras de memoria fuera de los l\u00edmites. Resumen del impacto: las escrituras de memoria fuera de los l\u00edmites pueden generar un bloqueo de la aplicaci\u00f3n o incluso la posibilidad de una ejecuci\u00f3n de c\u00f3digo remoto; sin embargo, en todos los protocolos que involucran criptograf\u00eda de curva el\u00edptica que conocemos, solo se admiten \\\"curvas con nombre\\\" o, si se admiten par\u00e1metros de curva expl\u00edcitos, especifican una codificaci\u00f3n X9.62 de curvas binarias (GF(2^m)) que no pueden representar valores de entrada problem\u00e1ticos. Por lo tanto, la probabilidad de existencia de una aplicaci\u00f3n vulnerable es baja. En particular, la codificaci\u00f3n X9.62 se utiliza para claves ECC en certificados X.509, por lo que no pueden ocurrir entradas problem\u00e1ticas en el contexto del procesamiento de certificados X.509. Cualquier caso de uso problem\u00e1tico tendr\u00eda que utilizar una codificaci\u00f3n de curva \\\"ex\u00f3tica\\\". Las API afectadas incluyen: EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params() y varias funciones de soporte BN_GF2m_*(). Las aplicaciones que trabajan con par\u00e1metros de curva binarios expl\u00edcitos \\\"ex\u00f3ticos\\\" (GF(2^m)), que permiten representar polinomios de campo no v\u00e1lidos con un t\u00e9rmino constante cero, a trav\u00e9s de las API anteriores o similares, pueden terminar abruptamente como resultado de la lectura o escritura fuera de los l\u00edmites de la matriz. La ejecuci\u00f3n remota de c\u00f3digo no se puede descartar f\u00e1cilmente. Los m\u00f3dulos FIPS en 3.3, 3.2, 3.1 y 3.0 no se ven afectados por este problema.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"openssl-security@openssl.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"},{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"references\":[{\"url\":\"https://github.com/openssl/openssl/commit/72ae83ad214d2eef262461365a1975707f862712\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://github.com/openssl/openssl/commit/bc7e04d7c8d509fb78fc0e285aa948fb0da04700\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://github.com/openssl/openssl/commit/c0d3e4d32d2805f49bec30547f225bc4d092e1f4\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://github.com/openssl/openssl/commit/fdf6723362ca51bd883295efe206cb5b1cfa5154\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://github.openssl.org/openssl/extended-releases/commit/8efc0cbaa8ebba8e116f7b81a876a4123594d86a\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://github.openssl.org/openssl/extended-releases/commit/9d576994cec2b7aa37a91740ea7e680810957e41\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://openssl-library.org/news/secadv/20241016.txt\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/10/16/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/10/23/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/10/24/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/10/msg00033.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/11/msg00000.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20241101-0001/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-277137.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-398330.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-769027.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2024/10/16/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/10/23/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/10/24/1\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20241101-0001/\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-11-01T17:03:16.065Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-9143\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-16T19:45:11.544020Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-16T19:45:18.967Z\"}}], \"cna\": {\"title\": \"Low-level invalid GF(2^m) parameters lead to OOB memory access\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Google OSS-Fuzz-Gen\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Viktor Dukhovni\"}], \"metrics\": [{\"other\": {\"type\": \"https://openssl-library.org/policies/general/security-policy/\", \"content\": {\"text\": \"Low\"}}, \"format\": \"other\"}], \"affected\": [{\"vendor\": \"OpenSSL\", \"product\": \"OpenSSL\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.3.0\", \"lessThan\": \"3.3.3\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.2.0\", \"lessThan\": \"3.2.4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.1.0\", \"lessThan\": \"3.1.8\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"3.0.0\", \"lessThan\": \"3.0.16\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"1.1.1\", \"lessThan\": \"1.1.1zb\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"1.0.2\", \"lessThan\": \"1.0.2zl\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2024-10-16T14:00:00.000Z\", \"references\": [{\"url\": \"https://openssl-library.org/news/secadv/20241016.txt\", \"name\": \"OpenSSL Advisory\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/c0d3e4d32d2805f49bec30547f225bc4d092e1f4\", \"name\": \"3.3.3 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/bc7e04d7c8d509fb78fc0e285aa948fb0da04700\", \"name\": \"3.2.4 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/fdf6723362ca51bd883295efe206cb5b1cfa5154\", \"name\": \"3.1.8 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/openssl/openssl/commit/72ae83ad214d2eef262461365a1975707f862712\", \"name\": \"3.0.16 git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.openssl.org/openssl/extended-releases/commit/8efc0cbaa8ebba8e116f7b81a876a4123594d86a\", \"name\": \"1.1.1zb git commit\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.openssl.org/openssl/extended-releases/commit/9d576994cec2b7aa37a91740ea7e680810957e41\", \"name\": \"1.0.2zl git commit\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted\\nexplicit values for the field polynomial can lead to out-of-bounds memory reads\\nor writes.\\n\\nImpact summary: Out of bound memory writes can lead to an application crash or\\neven a possibility of a remote code execution, however, in all the protocols\\ninvolving Elliptic Curve Cryptography that we\u0027re aware of, either only \\\"named\\ncurves\\\" are supported, or, if explicit curve parameters are supported, they\\nspecify an X9.62 encoding of binary (GF(2^m)) curves that can\u0027t represent\\nproblematic input values. Thus the likelihood of existence of a vulnerable\\napplication is low.\\n\\nIn particular, the X9.62 encoding is used for ECC keys in X.509 certificates,\\nso problematic inputs cannot occur in the context of processing X.509\\ncertificates.  Any problematic use-cases would have to be using an \\\"exotic\\\"\\ncurve encoding.\\n\\nThe affected APIs include: EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params(),\\nand various supporting BN_GF2m_*() functions.\\n\\nApplications working with \\\"exotic\\\" explicit binary (GF(2^m)) curve parameters,\\nthat make it possible to represent invalid field polynomials with a zero\\nconstant term, via the above or similar APIs, may terminate abruptly as a\\nresult of reading or writing outside of array bounds.  Remote code execution\\ncannot easily be ruled out.\\n\\nThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted\u003cbr\u003eexplicit values for the field polynomial can lead to out-of-bounds memory reads\u003cbr\u003eor writes.\u003cbr\u003e\u003cbr\u003eImpact summary: Out of bound memory writes can lead to an application crash or\u003cbr\u003eeven a possibility of a remote code execution, however, in all the protocols\u003cbr\u003einvolving Elliptic Curve Cryptography that we\u0027re aware of, either only \\\"named\u003cbr\u003ecurves\\\" are supported, or, if explicit curve parameters are supported, they\u003cbr\u003especify an X9.62 encoding of binary (GF(2^m)) curves that can\u0027t represent\u003cbr\u003eproblematic input values. Thus the likelihood of existence of a vulnerable\u003cbr\u003eapplication is low.\u003cbr\u003e\u003cbr\u003eIn particular, the X9.62 encoding is used for ECC keys in X.509 certificates,\u003cbr\u003eso problematic inputs cannot occur in the context of processing X.509\u003cbr\u003ecertificates.  Any problematic use-cases would have to be using an \\\"exotic\\\"\u003cbr\u003ecurve encoding.\u003cbr\u003e\u003cbr\u003eThe affected APIs include: EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params(),\u003cbr\u003eand various supporting BN_GF2m_*() functions.\u003cbr\u003e\u003cbr\u003eApplications working with \\\"exotic\\\" explicit binary (GF(2^m)) curve parameters,\u003cbr\u003ethat make it possible to represent invalid field polynomials with a zero\u003cbr\u003econstant term, via the above or similar APIs, may terminate abruptly as a\u003cbr\u003eresult of reading or writing outside of array bounds.  Remote code execution\u003cbr\u003ecannot easily be ruled out.\u003cbr\u003e\u003cbr\u003eThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}, {\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2025-09-01T08:29:10.392Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-9143\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-09-01T08:29:10.392Z\", \"dateReserved\": \"2024-09-24T08:37:04.834Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2024-10-16T17:09:23.844Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.