gsd-2020-8492
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-8492",
"description": "Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.",
"id": "GSD-2020-8492",
"references": [
"https://www.suse.com/security/cve/CVE-2020-8492.html",
"https://access.redhat.com/errata/RHSA-2020:4641",
"https://access.redhat.com/errata/RHSA-2020:4433",
"https://access.redhat.com/errata/RHSA-2020:4285",
"https://access.redhat.com/errata/RHSA-2020:3888",
"https://ubuntu.com/security/CVE-2020-8492",
"https://advisories.mageia.org/CVE-2020-8492.html",
"https://security.archlinux.org/CVE-2020-8492",
"https://alas.aws.amazon.com/cve/html/CVE-2020-8492.html",
"https://linux.oracle.com/cve/CVE-2020-8492.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-8492"
],
"details": "Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.",
"id": "GSD-2020-8492",
"modified": "2023-12-13T01:21:54.415490Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-8492",
"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": "Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugs.python.org/issue39503",
"refsource": "MISC",
"url": "https://bugs.python.org/issue39503"
},
{
"name": "https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex.html",
"refsource": "MISC",
"url": "https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex.html"
},
{
"name": "https://github.com/python/cpython/pull/18284",
"refsource": "MISC",
"url": "https://github.com/python/cpython/pull/18284"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200221-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20200221-0001/"
},
{
"name": "openSUSE-SU-2020:0274",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html"
},
{
"name": "USN-4333-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4333-1/"
},
{
"name": "USN-4333-2",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4333-2/"
},
{
"name": "GLSA-202005-09",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202005-09"
},
{
"name": "FEDORA-2020-98e0f0f11b",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/APGWEMYZIY5VHLCSZ3HD67PA5Z2UQFGH/"
},
{
"name": "FEDORA-2020-6a88dad4a0",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7WOKDEXLYW5UQ4S7PA7E37IITOC7C56J/"
},
{
"name": "FEDORA-2020-8bdd3fd7a4",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/"
},
{
"name": "FEDORA-2020-ea5bdbcc90",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/"
},
{
"name": "[debian-lts-announce] 20200715 [SECURITY] [DLA 2280-1] python3.5 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html"
},
{
"name": "[cassandra-commits] 20210816 [jira] [Created] (CASSANDRA-16857) Security vulnerability CVE-2020-8492",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rdb31a608dd6758c6093fd645aea3fbf022dd25b37109b6aaea5bc0b5@%3Ccommits.cassandra.apache.org%3E"
},
{
"name": "[cassandra-commits] 20210816 [jira] [Updated] (CASSANDRA-16857) Security vulnerability CVE-2020-8492",
"refsource": "MLIST",
"url": "https://lists.apache.org/thread.html/rfec113c733162b39633fd86a2d0f34bf42ac35f711b3ec1835c774da@%3Ccommits.cassandra.apache.org%3E"
},
{
"name": "[debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "3.8.1",
"versionStartIncluding": "3.8.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "3.7.6",
"versionStartIncluding": "3.7.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "3.6.10",
"versionStartIncluding": "3.6.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "3.5.9",
"versionStartIncluding": "3.5.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "2.7.17",
"versionStartIncluding": "2.7.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2020-8492"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/python/cpython/pull/18284",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/python/cpython/pull/18284"
},
{
"name": "https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex.html",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex.html"
},
{
"name": "https://bugs.python.org/issue39503",
"refsource": "MISC",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugs.python.org/issue39503"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200221-0001/",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20200221-0001/"
},
{
"name": "openSUSE-SU-2020:0274",
"refsource": "SUSE",
"tags": [
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html"
},
{
"name": "USN-4333-1",
"refsource": "UBUNTU",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4333-1/"
},
{
"name": "USN-4333-2",
"refsource": "UBUNTU",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4333-2/"
},
{
"name": "GLSA-202005-09",
"refsource": "GENTOO",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-09"
},
{
"name": "FEDORA-2020-98e0f0f11b",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/APGWEMYZIY5VHLCSZ3HD67PA5Z2UQFGH/"
},
{
"name": "FEDORA-2020-6a88dad4a0",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7WOKDEXLYW5UQ4S7PA7E37IITOC7C56J/"
},
{
"name": "FEDORA-2020-8bdd3fd7a4",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/"
},
{
"name": "FEDORA-2020-ea5bdbcc90",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/"
},
{
"name": "[debian-lts-announce] 20200715 [SECURITY] [DLA 2280-1] python3.5 security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html"
},
{
"name": "[cassandra-commits] 20210816 [jira] [Created] (CASSANDRA-16857) Security vulnerability CVE-2020-8492",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.apache.org/thread.html/rdb31a608dd6758c6093fd645aea3fbf022dd25b37109b6aaea5bc0b5@%3Ccommits.cassandra.apache.org%3E"
},
{
"name": "[cassandra-commits] 20210816 [jira] [Updated] (CASSANDRA-16857) Security vulnerability CVE-2020-8492",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.apache.org/thread.html/rfec113c733162b39633fd86a2d0f34bf42ac35f711b3ec1835c774da@%3Ccommits.cassandra.apache.org%3E"
},
{
"name": "[debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update",
"refsource": "MLIST",
"tags": [],
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-05-24T21:15Z",
"publishedDate": "2020-01-30T19:15Z"
}
}
}
Loading...
Loading...
- 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.