CVE-2020-1921 (GCVE-0-2020-1921)
Vulnerability from cvelistv5
Published
2021-03-10 15:50
Modified
2024-08-04 06:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow ()
Summary
In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
References
► | URL | Tags | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
HHVM |
Patch: 4.98.1 < unspecified Version: 4.98.0 Patch: 4.97.1 < unspecified Version: 4.97.0 Patch: 4.96.1 < unspecified Version: 4.96.0 Patch: 4.95.1 < unspecified Version: 4.95.0 Patch: 4.94.1 < unspecified Version: 4.94.0 Patch: 4.93.2 < unspecified Version: 4.81.0 < unspecified Patch: 4.80.2 < unspecified Version: 4.57.0 < unspecified Patch: 4.56.3 < unspecified Version: unspecified < 4.56.3 |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T06:54:00.475Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://hhvm.com/blog/2021/02/25/security-update.html" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "HHVM", "vendor": "Facebook", "versions": [ { "lessThan": "unspecified", "status": "unaffected", "version": "4.98.1", "versionType": "custom" }, { "status": "affected", "version": "4.98.0" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.97.1", "versionType": "custom" }, { "status": "affected", "version": "4.97.0" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.96.1", "versionType": "custom" }, { "status": "affected", "version": "4.96.0" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.95.1", "versionType": "custom" }, { "status": "affected", "version": "4.95.0" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.94.1", "versionType": "custom" }, { "status": "affected", "version": "4.94.0" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.93.2", "versionType": "custom" }, { "lessThan": "unspecified", "status": "affected", "version": "4.81.0", "versionType": "custom" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.80.2", "versionType": "custom" }, { "lessThan": "unspecified", "status": "affected", "version": "4.57.0", "versionType": "custom" }, { "lessThan": "unspecified", "status": "unaffected", "version": "4.56.3", "versionType": "custom" }, { "lessThan": "4.56.3", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "dateAssigned": "2020-12-14T00:00:00", "descriptions": [ { "lang": "en", "value": "In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-121", "description": "Stack-based Buffer Overflow (CWE-121)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-03-10T15:50:30", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://hhvm.com/blog/2021/02/25/security-update.html" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2020-12-14", "ID": "CVE-2020-1921", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "HHVM", "version": { "version_data": [ { "version_affected": "!\u003e=", "version_value": "4.98.1" }, { "version_affected": "=", "version_value": "4.98.0" }, { "version_affected": "!\u003e=", "version_value": "4.97.1" }, { "version_affected": "=", "version_value": "4.97.0" }, { "version_affected": "!\u003e=", "version_value": "4.96.1" }, { "version_affected": "=", "version_value": "4.96.0" }, { "version_affected": "!\u003e=", "version_value": "4.95.1" }, { "version_affected": "=", "version_value": "4.95.0" }, { "version_affected": "!\u003e=", "version_value": "4.94.1" }, { "version_affected": "=", "version_value": "4.94.0" }, { "version_affected": "!\u003e=", "version_value": "4.93.2" }, { "version_affected": "\u003e=", "version_value": "4.81.0" }, { "version_affected": "!\u003e=", "version_value": "4.80.2" }, { "version_affected": "\u003e=", "version_value": "4.57.0" }, { "version_affected": "!\u003e=", "version_value": "4.56.3" }, { "version_affected": "\u003c", "version_value": "4.56.3" } ] } } ] }, "vendor_name": "Facebook" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Stack-based Buffer Overflow (CWE-121)" } ] } ] }, "references": { "reference_data": [ { "name": "https://hhvm.com/blog/2021/02/25/security-update.html", "refsource": "MISC", "url": "https://hhvm.com/blog/2021/02/25/security-update.html" }, { "name": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca", "refsource": "MISC", "url": "https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca" } ] } } } }, "cveMetadata": { "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2020-1921", "datePublished": "2021-03-10T15:50:30", "dateReserved": "2019-12-02T00:00:00", "dateUpdated": "2024-08-04T06:54:00.475Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-1921\",\"sourceIdentifier\":\"cve-assign@fb.com\",\"published\":\"2021-03-10T16:15:14.547\",\"lastModified\":\"2024-11-21T05:11:37.023\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.\"},{\"lang\":\"es\",\"value\":\"En la funci\u00f3n crypt, intentamos anular la finalizaci\u00f3n de un b\u00fafer usando el tama\u00f1o de la sal de entrada sin comprobar que el desplazamiento est\u00e9 dentro del b\u00fafer.\u0026#xa0;Este problema afecta a HHVM versiones anteriores a 4.56.3, todas las versiones entre 4.57.0 y 4.80.1, todas las versiones entre 4.81.0 y 4.93.1 y versiones 4.94.0, 4.95.0, 4.96.0, 4.97.0 , 4.98.0\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve-assign@fb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-121\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.56.3\",\"matchCriteriaId\":\"069C0B7D-5233-4EFF-BBA7-8B84D9227044\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.57.0\",\"versionEndExcluding\":\"4.80.2\",\"matchCriteriaId\":\"59DAD37C-9F51-4BE3-B045-537CA259F7F7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.81.0\",\"versionEndExcluding\":\"4.93.2\",\"matchCriteriaId\":\"3B78720F-AA79-459F-A66C-5C4D67D7EE31\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:4.94.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C4B9A3C-6A5A-45C4-A490-C13CF6D6A867\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:4.95.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"18D33DC0-E6A7-4DC6-8E9A-2B85842EC21B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:4.96.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B0B9078D-3C25-45B2-B5F2-59585A47BACB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:4.97.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7B8F5C11-8610-4099-8A45-E6241F3D24E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:4.98.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47FF13C3-19DC-4F53-BF9D-38AC89D647D5\"}]}]}],\"references\":[{\"url\":\"https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca\",\"source\":\"cve-assign@fb.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://hhvm.com/blog/2021/02/25/security-update.html\",\"source\":\"cve-assign@fb.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://hhvm.com/blog/2021/02/25/security-update.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor 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.
Loading…
Loading…