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* SOL4602: Overview of the F5 security vulnerability response policy
{"debiancve": [{"lastseen": "2023-02-13T18:10:51", "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.", "cvss3": {}, "published": "2012-01-27T00:55:00", "type": "debiancve", "title": "CVE-2011-4354", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": 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The Common Vulnerabilities and\nExposures project identifies the following vulnerabilities:\n\nCVE-2011-4108\n\tThe DTLS implementation performs a MAC check only if certain\n\tpadding is valid, which makes it easier for remote attackers\n\tto recover plaintext via a padding oracle attack.\n\nCVE-2011-4109 \n\tA double free vulnerability when X509_V_FLAG_POLICY_CHECK is\n\tenabled, allows remote attackers to cause applications crashes\n\tand potentially allow execution of arbitrary code by\n\ttriggering failure of a policy check.\n\nCVE-2011-4354\n\tOn 32-bit systems, the operations on NIST elliptic curves\n\tP-256 and P-384 are not correctly implemented, potentially\n\tleaking the private ECC key of a TLS server. (Regular\n\tRSA-based keys are not affected by this vulnerability.)\n\nCVE-2011-4576\n\tThe SSL 3.0 implementation does not properly initialize data\n\tstructures for block cipher padding, which might allow remote\n\tattackers to obtain sensitive information by decrypting the\n\tpadding data sent by an SSL peer.\n\nCVE-2011-4619\n\tThe Server Gated Cryptography (SGC) implementation in OpenSSL\n\tdoes not properly handle handshake restarts, unnecessarily\n\tsimplifying CPU exhaustion attacks.\n\nFor the oldstable distribution (lenny), these problems have been fixed\nin version 0.9.8g-15+lenny15.\n\nFor the stable distribution (squeeze), these problems have been fixed\nin version 0.9.8o-4squeeze5.\n\nFor the testing distribution (wheezy) and the unstable distribution\n(sid), these problems have been fixed in version 1.0.0f-1.\n\nWe recommend that you upgrade your openssl packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: http://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {}, "published": "2012-01-15T20:23:09", "type": "debian", "title": "[SECURITY] [DSA 2390-1] openssl security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2011-4108", "CVE-2011-4109", "CVE-2011-4354", "CVE-2011-4576", "CVE-2011-4619"], "modified": "2012-01-15T20:23:09", "id": "DEBIAN:DSA-2390-1:7F77A", "href": "https://lists.debian.org/debian-security-announce/2012/msg00012.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "osv": [{"lastseen": "2022-08-10T07:08:54", "description": "\nSeveral vulnerabilities were discovered in OpenSSL, an implementation\nof TLS and related protocols. The Common Vulnerabilities and\nExposures project identifies the following vulnerabilities:\n\n\n* [CVE-2011-4108](https://security-tracker.debian.org/tracker/CVE-2011-4108)\nThe DTLS implementation performs a MAC check only if certain\n padding is valid, which makes it easier for remote attackers\n to recover plaintext via a padding oracle attack.\n* [CVE-2011-4109](https://security-tracker.debian.org/tracker/CVE-2011-4109)\nA double free vulnerability when X509\\_V\\_FLAG\\_POLICY\\_CHECK is\n enabled, allows remote attackers to cause applications crashes\n and potentially allow execution of arbitrary code by\n triggering failure of a policy check.\n* [CVE-2011-4354](https://security-tracker.debian.org/tracker/CVE-2011-4354)\nOn 32-bit systems, the operations on NIST elliptic curves\n P-256 and P-384 are not correctly implemented, potentially\n leaking the private ECC key of a TLS server. (Regular\n RSA-based keys are not affected by this vulnerability.)\n* [CVE-2011-4576](https://security-tracker.debian.org/tracker/CVE-2011-4576)\nThe SSL 3.0 implementation does not properly initialize data\n structures for block cipher padding, which might allow remote\n attackers to obtain sensitive information by decrypting the\n padding data sent by an SSL peer.\n* [CVE-2011-4619](https://security-tracker.debian.org/tracker/CVE-2011-4619)\nThe Server Gated Cryptography (SGC) implementation in OpenSSL\n does not properly handle handshake restarts, unnecessarily\n simplifying CPU exhaustion attacks.\n\n\nFor the oldstable distribution (lenny), these problems have been fixed\nin version 0.9.8g-15+lenny15.\n\n\nFor the stable distribution (squeeze), these problems have been fixed\nin version 0.9.8o-4squeeze5.\n\n\nFor the testing distribution (wheezy) and the unstable distribution\n(sid), these problems have been fixed in version 1.0.0f-1.\n\n\nWe recommend that you upgrade your openssl packages.\n\n\n", "cvss3": {}, "published": "2012-01-15T00:00:00", "type": "osv", "title": "openssl - several", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2011-4108", "CVE-2011-4576", "CVE-2011-4619", "CVE-2011-4354", "CVE-2011-4109"], "modified": "2022-08-10T07:08:50", "id": "OSV:DSA-2390-1", "href": "https://osv.dev/vulnerability/DSA-2390-1", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "securityvulns": [{"lastseen": "2021-06-08T19:08:11", "description": "Double free(), protection bypass, information leakages, DoS conditions.", "cvss3": {}, "published": "2012-01-20T00:00:00", "type": "securityvulns", "title": "OpenSSL library multiple security vulnerabilities", "bulletinFamily": "software", "hackapp": {}, "cvss2": {}, "cvelist": ["CVE-2011-4108", "CVE-2011-4576", "CVE-2011-4619", "CVE-2011-4354", "CVE-2012-0027", "CVE-2012-0050", "CVE-2011-4109"], "modified": "2012-01-20T00:00:00", "id": "SECURITYVULNS:VULN:12150", "href": "https://vulners.com/securityvulns/SECURITYVULNS:VULN:12150", "sourceData": "", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "ubuntu": [{"lastseen": "2023-01-26T13:37:37", "description": "## Releases\n\n * Ubuntu 11.10 \n * Ubuntu 11.04 \n * Ubuntu 10.10 \n * Ubuntu 10.04 \n * Ubuntu 8.04 \n\n## Packages\n\n * openssl \\- Secure Socket Layer (SSL) binary and related cryptographic tools\n\nIt was discovered that the elliptic curve cryptography (ECC) subsystem \nin OpenSSL, when using the Elliptic Curve Digital Signature Algorithm \n(ECDSA) for the ECDHE_ECDSA cipher suite, did not properly implement \ncurves over binary fields. This could allow an attacker to determine \nprivate keys via a timing attack. This issue only affected Ubuntu 8.04 \nLTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. (CVE-2011-1945)\n\nAdam Langley discovered that the ephemeral Elliptic Curve \nDiffie-Hellman (ECDH) functionality in OpenSSL did not ensure thread \nsafety while processing handshake messages from clients. This \ncould allow a remote attacker to cause a denial of service via \nout-of-order messages that violate the TLS protocol. This issue only \naffected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu \n11.04. (CVE-2011-3210)\n\nNadhem Alfardan and Kenny Paterson discovered that the Datagram \nTransport Layer Security (DTLS) implementation in OpenSSL performed a \nMAC check only if certain padding is valid. This could allow a remote \nattacker to recover plaintext. (CVE-2011-4108)\n\nAntonio Martin discovered that a flaw existed in the fix to address \nCVE-2011-4108, the DTLS MAC check failure. This could allow a remote \nattacker to cause a denial of service. (CVE-2012-0050)\n\nBen Laurie discovered a double free vulnerability in OpenSSL that could \nbe triggered when the X509_V_FLAG_POLICY_CHECK flag is enabled. This \ncould allow a remote attacker to cause a denial of service. This \nissue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 \nand Ubuntu 11.04. (CVE-2011-4109)\n\nIt was discovered that OpenSSL, in certain circumstances involving \nECDH or ECDHE cipher suites, used an incorrect modular reduction \nalgorithm in its implementation of the P-256 and P-384 NIST elliptic \ncurves. This could allow a remote attacker to obtain the private \nkey of a TLS server via multiple handshake attempts. This issue only \naffected Ubuntu 8.04 LTS. (CVE-2011-4354)\n\nAdam Langley discovered that the SSL 3.0 implementation in OpenSSL \ndid not properly initialize data structures for block cipher \npadding. This could allow a remote attacker to obtain sensitive \ninformation. (CVE-2011-4576)\n\nAndrew Chi discovered that OpenSSL, when RFC 3779 support is enabled, \ncould trigger an assert when handling an X.509 certificate containing \ncertificate-extension data associated with IP address blocks or \nAutonomous System (AS) identifiers. This could allow a remote attacker \nto cause a denial of service. (CVE-2011-4577)\n\nAdam Langley discovered that the Server Gated Cryptography (SGC) \nimplementation in OpenSSL did not properly handle handshake \nrestarts. This could allow a remote attacker to cause a denial of \nservice. (CVE-2011-4619)\n\nAndrey Kulikov discovered that the GOST block cipher engine in OpenSSL \ndid not properly handle invalid parameters. This could allow a remote \nattacker to cause a denial of service via crafted data from a TLS \nclient. This issue only affected Ubuntu 11.10. (CVE-2012-0027)\n", "cvss3": {}, "published": "2012-02-09T00:00:00", "type": "ubuntu", "title": "OpenSSL vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2011-1945", "CVE-2011-3210", "CVE-2011-4108", "CVE-2011-4109", "CVE-2011-4354", "CVE-2011-4576", "CVE-2011-4577", "CVE-2011-4619", "CVE-2012-0027", "CVE-2012-0050"], "modified": "2012-02-09T00:00:00", "id": "USN-1357-1", "href": "https://ubuntu.com/security/notices/USN-1357-1", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}]}
SOL15427 - OpenSSL vulnerability CVE-2011-4354
