CVE-2024-9143 (GCVE-0-2024-9143)
Vulnerability from cvelistv5
Published
2024-10-16 17:09
Modified
2024-11-08 15:30
Severity ?
CWE
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.
References
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/72ae83ad214d2eef262461365a1975707f862712
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/bc7e04d7c8d509fb78fc0e285aa948fb0da04700
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/c0d3e4d32d2805f49bec30547f225bc4d092e1f4
openssl-security@openssl.orghttps://github.com/openssl/openssl/commit/fdf6723362ca51bd883295efe206cb5b1cfa5154
openssl-security@openssl.orghttps://github.openssl.org/openssl/extended-releases/commit/8efc0cbaa8ebba8e116f7b81a876a4123594d86a
openssl-security@openssl.orghttps://github.openssl.org/openssl/extended-releases/commit/9d576994cec2b7aa37a91740ea7e680810957e41
openssl-security@openssl.orghttps://openssl-library.org/news/secadv/20241016.txt
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/10/16/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/10/23/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/10/24/1
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20241101-0001/
Impacted products
Vendor Product Version
OpenSSL OpenSSL Version: 3.3.0   ≤
Version: 3.2.0   ≤
Version: 3.1.0   ≤
Version: 3.0.0   ≤
Version: 1.1.1   < 1.1.1zb
Version: 1.0.2   < 1.0.2zl
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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.\", \"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-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2024-10-16T17:09:23.844Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-9143\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-08T15:30:04.030Z\", \"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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