GSD-2021-42697
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-42697",
"description": "Akka HTTP 10.1.x and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.",
"id": "GSD-2021-42697",
"references": [
"https://packetstormsecurity.com/files/cve/CVE-2021-42697"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-42697"
],
"details": "Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.",
"id": "GSD-2021-42697",
"modified": "2023-12-13T01:23:06.202397Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-42697",
"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": "Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://akka.io/blog/",
"refsource": "MISC",
"url": "https://akka.io/blog/"
},
{
"name": "https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html",
"refsource": "MISC",
"url": "https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html"
},
{
"name": "https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released",
"refsource": "MISC",
"url": "https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released"
},
{
"name": "https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released",
"refsource": "MISC",
"url": "https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released"
},
{
"name": "http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "[10.1.0,10.1.15),[10.2.0,10.2.7)",
"affected_versions": "All versions starting from 10.1.0 before 10.1.15, all versions starting from 10.2.0 before 10.2.7",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"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-674",
"CWE-937"
],
"date": "2022-06-16",
"description": "Akka HTTP can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a `User-Agent` header with deeply nested comments.",
"fixed_versions": [
"10.1.15",
"10.2.7"
],
"identifier": "CVE-2021-42697",
"identifiers": [
"CVE-2021-42697"
],
"not_impacted": "All versions before 10.1.0, all versions starting from 10.1.15 before 10.2.0, all versions starting from 10.2.7",
"package_slug": "maven/com.typesafe.akka/akka-http-core",
"pubdate": "2021-11-02",
"solution": "Upgrade to version 10.2.7, 10.1.15 or above.",
"title": "Out-of-bounds Write",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-42697",
"https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html",
"https://akka.io/blog/",
"https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released"
],
"uuid": "c1f96d5a-7b74-4740-a60e-6d84b27421be"
},
{
"affected_range": "[10.1.0,10.2.6]",
"affected_versions": "All versions starting from 10.1.0 up to 10.2.6",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"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-937"
],
"date": "2022-06-21",
"description": "Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a `User-Agent` header with deeply nested comments.",
"fixed_versions": [
"10.2.7"
],
"identifier": "CVE-2021-42697",
"identifiers": [
"GHSA-3hw2-h67c-wq66",
"CVE-2021-42697"
],
"not_impacted": "All versions before 10.1.0, all versions after 10.2.6",
"package_slug": "maven/com.typesafe.akka/akka-http",
"pubdate": "2022-05-24",
"solution": "Upgrade to version 10.2.7 or above.",
"title": "Uncontrolled Recursion in Akka HTTP",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-42697",
"https://akka.io/blog/",
"https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released",
"https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released",
"https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html",
"http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html",
"https://github.com/advisories/GHSA-3hw2-h67c-wq66"
],
"uuid": "259cefe3-05be-4c67-bfc8-0f2d2418f5cc"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "10.2.7",
"versionStartIncluding": "10.2.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "10.1.15",
"versionStartIncluding": "10.1.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-42697"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": []
}
]
},
"references": {
"reference_data": [
{
"name": "https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html"
},
{
"name": "https://akka.io/blog/",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://akka.io/blog/"
},
{
"name": "https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released",
"refsource": "MISC",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released"
},
{
"name": "https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released",
"refsource": "MISC",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released"
},
{
"name": "http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-06-13T15:41Z",
"publishedDate": "2021-11-02T22:15Z"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…