CVE-2012-2657

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:unixodbc:unixodbc:*:*:*:*:*:*:*:*", "matchCriteriaId": "D9AF21C8-80BE-45A9-B033-1FF206059458", "versionEndIncluding": "2.3.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:unixodbc:unixodbc:2.0.10:*:*:*:*:*:*:*", "matchCriteriaId": "53E54259-66C8-48FD-8F07-B67B066B5245", "vulnerable": true}, {"criteria": "cpe:2.3:a:unixodbc:unixodbc:2.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "79F0ED4D-F042-4E60-BA0F-24E323294C1E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "secalert@redhat.com", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "Buffer overflow in the SQLDriverConnect function in unixODBC 2.0.10, 2.3.1, and earlier allows local users to cause a denial of service (crash) via a long string in the FILEDSN option. NOTE: this issue might not be a vulnerability, since the ability to set this option typically implies that the attacker already has legitimate access to cause a DoS or execute code, and therefore the issue would not cross privilege boundaries. There may be limited attack scenarios if isql command-line options are exposed to an attacker, although it seems likely that other, more serious issues would also be exposed, and this issue might not cross privilege boundaries in that context."}, {"lang": "es", "value": "** EN DISPUTA ** Desbordamiento de b\u00fafer en la funci\u00f3n SQLDriverConnect en unixODBC v2.0.10, v2.3.1 y anteriores permite a usuarios locales provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de una cadena larga en la opci\u00f3n FILEDSN. NOTA: este problema puede no ser una vulnerabilidad, ya que la capacidad de establecer esta opci\u00f3n suele implicar que el atacante ya tiene acceso leg\u00edtimo para causar una denegaci\u00f3n de servicio o ejecutar c\u00f3digo, y por lo tanto el problema ser\u00eda de privilegios. Puede haber escenarios limitados de ataque si las opciones de la l\u00ednea de comandos isql est\u00e1n expuestas a un atacante, aunque parece probable que otros asuntos m\u00e1s graves tambi\u00e9n se ver\u00edan expuestos, y este problema podr\u00eda no cruzar los l\u00edmites de privilegio en ese contexto.\r\n"}], "id": "CVE-2012-2657", "lastModified": "2026-06-16T23:41:49.377", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2012-2657", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-26T19:00:40.470154Z", "version": "2.0.3"}}]}, "published": "2012-08-31T18:55:00.980", "references": [{"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/05/29/10"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/05/29/7"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/05/30/7"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/05/31/2"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/06/06/3"}, {"source": "secalert@redhat.com", "url": "http://www.osvdb.org/82460"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/53712"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/75940"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/05/29/10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/05/29/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/05/30/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/05/31/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/06/06/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/82460"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/53712"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/75940"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "unixodbc: buffer overflow due to improper checking of FILESDN= input", "id": "826262", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=826262"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["Buffer overflow in the SQLDriverConnect function in unixODBC 2.0.10, 2.3.1, and earlier allows local users to cause a denial of service (crash) via a long string in the FILEDSN option. NOTE: this issue might not be a vulnerability, since the ability to set this option typically implies that the attacker already has legitimate access to cause a DoS or execute code, and therefore the issue would not cross privilege boundaries. There may be limited attack scenarios if isql command-line options are exposed to an attacker, although it seems likely that other, more serious issues would also be exposed, and this issue might not cross privilege boundaries in that context."], "name": "CVE-2012-2657", "package_state": [{"cpe": "cpe:/a:redhat:rhel_application_stack:2", "fix_state": "Will not fix", "package_name": "unixODBC", "product_name": "Red Hat Application Stack v2 for Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "unixODBC", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "unixODBC", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "unixODBC64", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "unixODBC", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2012-05-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2657\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2657"], "statement": "Red Hat does not consider a user assisted client crash such as this to be a security flaw.", "threat_severity": "Low"}

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