CVE-2021-32921
Vulnerability from cvelistv5
Published
2021-05-13 15:14
Modified
2024-08-03 23:33
Severity ?
EPSS score ?
Summary
An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T23:33:56.162Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://blog.prosody.im/prosody-0.11.9-released/" }, { "name": "[oss-security] 20210513 Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2021/05/13/1" }, { "name": "[oss-security] 20210514 Re: Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2021/05/14/2" }, { "name": "DSA-4916", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2021/dsa-4916" }, { "name": "FEDORA-2021-b5d8c6d086", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/" }, { "name": "FEDORA-2021-a33f6e36e1", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/" }, { "name": "FEDORA-2021-498be8f560", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202105-15" }, { "name": "[debian-lts-announce] 20210616 [SECURITY] [DLA 2687-1] prosody security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html" }, { "name": "[debian-lts-announce] 20210619 [SECURITY] [DLA 2687-2] prosody regression update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-19T08:06:18", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://blog.prosody.im/prosody-0.11.9-released/" }, { "name": "[oss-security] 20210513 Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "http://www.openwall.com/lists/oss-security/2021/05/13/1" }, { "name": "[oss-security] 20210514 Re: Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "http://www.openwall.com/lists/oss-security/2021/05/14/2" }, { "name": "DSA-4916", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2021/dsa-4916" }, { "name": "FEDORA-2021-b5d8c6d086", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/" }, { "name": "FEDORA-2021-a33f6e36e1", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/" }, { "name": "FEDORA-2021-498be8f560", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/" }, { "tags": [ "x_refsource_MISC" ], "url": "https://security.gentoo.org/glsa/202105-15" }, { "name": "[debian-lts-announce] 20210616 [SECURITY] [DLA 2687-1] prosody security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html" }, { "name": "[debian-lts-announce] 20210619 [SECURITY] [DLA 2687-2] prosody regression update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-32921", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://blog.prosody.im/prosody-0.11.9-released/", "refsource": "MISC", "url": "https://blog.prosody.im/prosody-0.11.9-released/" }, { "name": "[oss-security] 20210513 Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/05/13/1" }, { "name": "[oss-security] 20210514 Re: Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/05/14/2" }, { "name": "DSA-4916", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4916" }, { "name": "FEDORA-2021-b5d8c6d086", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/" }, { "name": "FEDORA-2021-a33f6e36e1", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/" }, { "name": "FEDORA-2021-498be8f560", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/" }, { "name": "https://security.gentoo.org/glsa/202105-15", "refsource": "MISC", "url": "https://security.gentoo.org/glsa/202105-15" }, { "name": "[debian-lts-announce] 20210616 [SECURITY] [DLA 2687-1] prosody security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html" }, { "name": "[debian-lts-announce] 20210619 [SECURITY] [DLA 2687-2] prosody regression update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html" } ] } } } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-32921", "datePublished": "2021-05-13T15:14:43", "dateReserved": "2021-05-12T00:00:00", "dateUpdated": "2024-08-03T23:33:56.162Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-32921\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-05-13T16:15:08.407\",\"lastModified\":\"2023-11-07T03:35:45.450\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 un problema en Prosody versiones anteriores a 0.11.9.\u0026#xa0;No utiliza un algoritmo de tiempo constante para comparar determinadas cadenas secretas cuando se ejecuta bajo Lua versiones 5.2 o posteriores.\u0026#xa0;Esto puede potencialmente ser usado en un ataque de sincronizaci\u00f3n para revelar el contenido de cadenas secretas a un atacante\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.11.9\",\"matchCriteriaId\":\"9528D37B-78D0-42FC-AAC3-DB6DE6A4A85B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2.0\",\"matchCriteriaId\":\"FE24D4A8-0798-4FE3-9B13-DBF7EBCE9336\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A930E247-0B43-43CB-98FF-6CE7B8189835\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2021/05/13/1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/05/14/2\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Mitigation\",\"Third Party Advisory\"]},{\"url\":\"https://blog.prosody.im/prosody-0.11.9-released/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/202105-15\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2021/dsa-4916\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
Loading...
Loading...
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.