{"id":"CVE-2011-4354","state":"PUBLISHED","title":"crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an inc","description":"crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.","publishedAt":"2012-01-27T00:00:00.000Z","updatedAt":"2024-08-07T00:01:51.637Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip","https://bugzilla.redhat.com/show_bug.cgi?id=757909","http://openwall.com/lists/oss-security/2011/12/01/6","http://eprint.iacr.org/2011/633","http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest","http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21","http://www.debian.org/security/2012/dsa-2390","http://marc.info/?t=119271238800004"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:05.264Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2011/4xxx/CVE-2011-4354.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2011-4354","state":"PUBLISHED","datePublished":"2012-01-27T00:00:00.000Z","dateUpdated":"2024-08-07T00:01:51.637Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2011-11-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip","tags":["x_refsource_MISC"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=757909","tags":["x_refsource_CONFIRM"]},{"url":"http://openwall.com/lists/oss-security/2011/12/01/6","name":"[oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://eprint.iacr.org/2011/633","tags":["x_refsource_MISC"]},{"url":"http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest","tags":["x_refsource_CONFIRM"]},{"url":"http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21","tags":["x_refsource_CONFIRM"]},{"url":"http://www.debian.org/security/2012/dsa-2390","name":"DSA-2390","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"http://marc.info/?t=119271238800004","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2012-11-06T10:00:00.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2007-10-18T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=757909","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://openwall.com/lists/oss-security/2011/12/01/6","name":"[oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://eprint.iacr.org/2011/633","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.debian.org/security/2012/dsa-2390","name":"DSA-2390","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://marc.info/?t=119271238800004","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-07T00:01:51.637Z"}}]}}}