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", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2021-32921\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-05-13T16:15:08.407\",\"lastModified\":\"2024-11-21T06:07:55.843\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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 detectó un problema en Prosody versiones anteriores a 0.11.9. No utiliza un algoritmo de tiempo constante para comparar determinadas cadenas secretas cuando se ejecuta bajo Lua versiones 5.2 o posteriores. Esto puede potencialmente ser usado en un ataque de sincronización 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\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"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\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"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 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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.