GSD-2020-13934
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-13934",
"description": "An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.",
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"https://www.debian.org/security/2020/dsa-4727",
"https://access.redhat.com/errata/RHSA-2021:3140",
"https://access.redhat.com/errata/RHSA-2020:3806",
"https://access.redhat.com/errata/RHSA-2020:3308",
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"https://advisories.mageia.org/CVE-2020-13934.html",
"https://security.archlinux.org/CVE-2020-13934",
"https://alas.aws.amazon.com/cve/html/CVE-2020-13934.html"
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"modified": "2023-12-13T01:21:46.931060Z",
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"description": "h2c does not release the `HTTP/1.1` processor after the upgrade to `HTTP/2.` If a sufficient number of such requests were made, an `OutOfMemoryException` could occur leading to a denial of service.",
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"package_slug": "maven/org.apache.tomcat.embed/tomcat-embed-core",
"pubdate": "2020-07-14",
"solution": "Upgrade to versions 8.5.57, 9.0.37 or above.",
"title": "Denial of Service",
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"description": "An h2c direct connection to Apache Tomcat to M5 to to did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an `OutOfMemoryException` could occur leading to a denial of service.",
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"package_slug": "maven/org.apache.tomcat/tomcat-coyote",
"pubdate": "2020-07-14",
"solution": "Upgrade to versions 8.5.57, 9.0.37 or above.",
"title": "Improper Restriction of Operations within the Bounds of a Memory Buffer",
"urls": [
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"uuid": "4380f761-3234-49b8-84c7-c7b52f277baa"
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"description": "An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.",
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"package_slug": "maven/org.apache.tomcat/tomcat",
"pubdate": "2022-02-08",
"solution": "Upgrade to versions 10.0.0-M6, 10.0.0-M6, 10.0.0-M6, 8.5.56 or above.",
"title": "Missing Release of Memory after Effective Lifetime",
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"https://www.oracle.com/security-alerts/cpuoct2020.html",
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"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:oracle:workload_manager:18c:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:oracle:workload_manager:19c:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@apache.org",
"ID": "CVE-2020-13934"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
},
{
"lang": "en",
"value": "CWE-401"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E",
"refsource": "MISC",
"tags": [
"Mailing List",
"Release Notes",
"Vendor Advisory"
],
"url": "https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E"
},
{
"name": "DSA-4727",
"refsource": "DEBIAN",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4727"
},
{
"name": "[debian-lts-announce] 20200722 [SECURITY] [DLA 2286-1] tomcat8 security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200724-0003/",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20200724-0003/"
},
{
"name": "openSUSE-SU-2020:1102",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html"
},
{
"name": "openSUSE-SU-2020:1111",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html"
},
{
"name": "[tomcat-dev] 20200818 [Bug 64671] HTTP/2 Stream.receivedData method throwing continuous NullPointerException in the logs",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.apache.org/thread.html/ra072b1f786e7d139e86f1d1145572e0ff71cef38a96d9c6f5362aac8@%3Cdev.tomcat.apache.org%3E"
},
{
"name": "https://www.oracle.com/security-alerts/cpuoct2020.html",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
},
{
"name": "USN-4596-1",
"refsource": "UBUNTU",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4596-1/"
},
{
"name": "https://www.oracle.com/security-alerts/cpujan2021.html",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"name": "N/A",
"refsource": "N/A",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpujan2022.html",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2022.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": "2022-03-01T21:01Z",
"publishedDate": "2020-07-14T15:15Z"
}
}
}
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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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