GSD-2021-32837
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-32837",
"id": "GSD-2021-32837",
"references": [
"https://advisories.mageia.org/CVE-2021-32837.html",
"https://www.suse.com/security/cve/CVE-2021-32837.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-32837"
],
"details": "mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.",
"id": "GSD-2021-32837",
"modified": "2023-12-13T01:23:09.262747Z",
"schema_version": "1.4.0"
}
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"affects": {
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{
"product": {
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{
"product_name": "mechanize",
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"version_affected": "\u003c",
"version_name": "0.4.6",
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}
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"name": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/",
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"url": "https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/"
},
{
"name": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879",
"refsource": "MISC",
"url": "https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879"
},
{
"name": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6",
"refsource": "MISC",
"url": "https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6"
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{
"name": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6",
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"url": "https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6"
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"name": "[debian-lts-announce] 20230620 [SECURITY] [DLA 3460-1] python-mechanize security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00022.html"
}
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},
"solution": [],
"source": {
"advisory": "GHSL-2021-108",
"defect": [
"GHSL-2021-108"
],
"discovery": "UNKNOWN"
},
"work_around": []
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c0.4.6",
"affected_versions": "All versions before 0.4.6",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-1333",
"CWE-937"
],
"date": "2023-06-20",
"description": "mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.",
"fixed_versions": [
"0.4.6"
],
"identifier": "CVE-2021-32837",
"identifiers": [
"CVE-2021-32837"
],
"not_impacted": "All versions starting from 0.4.6",
"package_slug": "gem/mechanize",
"pubdate": "2023-01-17",
"solution": "Upgrade to version 0.4.6 or above.",
"title": "Inefficient Regular Expression Complexity",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-32837",
"https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/",
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"uuid": "375a7dc7-6fd4-45f1-a941-7c0745f0b159"
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"affected_range": "\u003c0.4.6",
"affected_versions": "All versions before 0.4.6",
"cwe_ids": [
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"CWE-1333",
"CWE-937"
],
"date": "2023-01-20",
"description": "mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.",
"fixed_versions": [
"0.4.6"
],
"identifier": "CVE-2021-32837",
"identifiers": [
"GHSA-g3pv-pj5f-3hfq",
"CVE-2021-32837"
],
"not_impacted": "All versions starting from 0.4.6",
"package_slug": "pypi/mechanize",
"pubdate": "2023-01-18",
"solution": "Upgrade to version 0.4.6 or above.",
"title": "Inefficient Regular Expression Complexity",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-32837",
"https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6",
"https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879",
"https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6",
"https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/",
"https://github.com/advisories/GHSA-g3pv-pj5f-3hfq"
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"uuid": "9944dd51-a597-4913-881e-7afecf898bb2"
}
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-06-20T17:15Z",
"publishedDate": "2023-01-17T22:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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