CVE-2021-31873 (GCVE-0-2021-31873)
Vulnerability from cvelistv5
Published
2021-04-30 00:00
Modified
2024-08-03 23:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T23:10:30.261Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://kernel.org/pub/linux/libs/klibc/2.0/"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202"
},
{
"name": "[oss-security] 20210430 [ANNOUNCE] klibc 2.0.9",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"
},
{
"name": "[debian-lts-announce] 20210628 [SECURITY] [DLA 2695-1] klibc security update",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202"
}
],
"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 klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-11-07T21:37:29.378569",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://kernel.org/pub/linux/libs/klibc/2.0/"
},
{
"url": "https://lists.zytor.com/archives/klibc/2021-April/004593.html"
},
{
"url": "https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202"
},
{
"name": "[oss-security] 20210430 [ANNOUNCE] klibc 2.0.9",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2021/04/30/1"
},
{
"name": "[debian-lts-announce] 20210628 [SECURITY] [DLA 2695-1] klibc security update",
"tags": [
"mailing-list"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html"
},
{
"url": "https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-31873",
"datePublished": "2021-04-30T00:00:00",
"dateReserved": "2021-04-29T00:00:00",
"dateUpdated": "2024-08-03T23:10:30.261Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-31873\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-04-30T06:15:07.343\",\"lastModified\":\"2024-11-21T06:06:24.150\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 un problema en klibc versiones anteriores a 2.0.9.\u0026#xa0;Las adiciones en la funci\u00f3n malloc() pueden resultar en un desbordamiento de enteros y un posterior desbordamiento del b\u00fafer de la pila.\"}],\"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:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.0.9\",\"matchCriteriaId\":\"2FF3DF47-F57D-4639-9500-9F755F54DF79\"}]}]},{\"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/2021/04/30/1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://kernel.org/pub/linux/libs/klibc/2.0/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.zytor.com/archives/klibc/2021-April/004593.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2021/04/30/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://kernel.org/pub/linux/libs/klibc/2.0/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.zytor.com/archives/klibc/2021-April/004593.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Release Notes\",\"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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…