GSD-2020-8492
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
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…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…