CVE-2017-8823

{"containers": {"cna": {"affected": [{"product": "Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9", "vendor": "n/a", "versions": [{"status": "affected", "version": "Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9"}]}], "datePublic": "2017-12-03T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013."}], "problemTypes": [{"descriptions": [{"description": "use-after-free", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-12-04T10:57:01.000Z", "orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5", "shortName": "debian"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugs.torproject.org/24313"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugs.torproject.org/24430"}, {"name": "DSA-4054", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2017/dsa-4054"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@debian.org", "ID": "CVE-2017-8823", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9", "version": {"version_data": [{"version_value": "Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "use-after-free"}]}]}, "references": {"reference_data": [{"name": "https://bugs.torproject.org/24313", "refsource": "CONFIRM", "url": "https://bugs.torproject.org/24313"}, {"name": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516", "refsource": "CONFIRM", "url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516"}, {"name": "https://bugs.torproject.org/24430", "refsource": "CONFIRM", "url": "https://bugs.torproject.org/24430"}, {"name": "DSA-4054", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2017/dsa-4054"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:48:22.276Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugs.torproject.org/24313"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugs.torproject.org/24430"}, {"name": "DSA-4054", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2017/dsa-4054"}]}]}, "cveMetadata": {"assignerOrgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5", "assignerShortName": "debian", "cveId": "CVE-2017-8823", "datePublished": "2017-12-03T07:00:00.000Z", "dateReserved": "2017-05-07T00:00:00.000Z", "dateUpdated": "2024-08-05T16:48:22.276Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9", "vendor": "n/a", "versions": [{"status": "affected", "version": "Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9"}]}], "source": "security@debian.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "067DE048-F786-4E63-98E6-6FD6415DD3A5", "versionEndExcluding": "0.2.5.16", "vulnerable": true}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "5372249B-59F8-4866-B4D3-F52980FCC269", "versionEndExcluding": "0.2.8.17", "versionStartIncluding": "0.2.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "E0739CCD-DE8F-4A44-91CD-986C4644045F", "versionEndExcluding": "0.2.9.14", "versionStartIncluding": "0.2.9", "vulnerable": true}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "E623D0FC-453C-4D7A-8328-C4C252EEC976", "versionEndExcluding": "0.3.0.13", "versionStartIncluding": "0.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:tor_project:tor:*:*:*:*:*:*:*:*", "matchCriteriaId": "249879F0-6A12-41C2-9559-020021080696", "versionEndExcluding": "0.3.1.9", "versionStartIncluding": "0.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013."}, {"lang": "es", "value": "En Tor, en versiones anteriores a la 0.2.5.16; de la versi\u00f3n 0.2.6 hasta la 0.2.8 anterior a la 0.2.8.17: versiones 0.2.9 anteriores a la 0.2.9.14; versiones 0.3.0 anteriores a la 0.3.0.13 y versiones 0.3.1 anteriores a la 0.3.1.9, existe un uso de memoria previamente liberada en el servicio onion v2 durante la expiraci\u00f3n del nodo de entrada, debido a que la lista de expiraci\u00f3n se gestiona de manera incorrecta en ciertos casos de error. Esto tambi\u00e9n se conoce como TROVE-2017-013."}], "id": "CVE-2017-8823", "lastModified": "2026-06-17T01:27:01.580", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-12-03T07:29:00.443", "references": [{"source": "security@debian.org", "tags": ["Vendor Advisory"], "url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516"}, {"source": "security@debian.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.torproject.org/24313"}, {"source": "security@debian.org", "tags": ["Vendor Advisory"], "url": "https://bugs.torproject.org/24430"}, {"source": "security@debian.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-4054"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.torproject.org/24313"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://bugs.torproject.org/24430"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-4054"}], "sourceIdentifier": "security@debian.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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