rhsa-2021_0740
Vulnerability from csaf_redhat
Published
2021-03-08 10:31
Modified
2024-11-05 23:20
Summary
Red Hat Security Advisory: nodejs:12 security update
Notes
Topic
An update for the nodejs:12 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.
The following packages have been upgraded to a later upstream version: nodejs (12.21.0).
Security Fix(es):
* nodejs: HTTP2 'unknownProtocol' cause DoS by resource exhaustion (CVE-2021-22883)
* nodejs: DNS rebinding in --inspect (CVE-2021-22884)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "nodejs: HTTP2 \u0027unknownProtocol\u0027 cause DoS by resource exhaustion",
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"text": "Red Hat Quay from version 3.4 consumes the nodejs from RHEL, so security tracking is provided by the container health index on the customer portal [1]. Additionally there is no impact from this issue on Quay 3.3 and 3.2 because they don\u0027t use nodejs as a HTTP server.\n[1] https://catalog.redhat.com/software/containers/quay/quay-rhel8/600e03aadd19c7786c43ae49?container-tabs=security",
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},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "nodejs: HTTP2 \u0027unknownProtocol\u0027 cause DoS by resource exhaustion"
},
{
"cve": "CVE-2021-22884",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2021-02-23T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932024"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in nodejs. A denial of service is possible when the whitelist includes \u201clocalhost6\u201d. When \u201clocalhost6\u201d is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS over the network. If the attacker controls the victim\u0027s DNS server or can spoof its responses, the DNS rebinding protection can be bypassed by using the \u201clocalhost6\u201d domain. As long as the attacker uses the \u201clocalhost6\u201d domain, they can still apply the attack described in CVE-2018-7160.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "nodejs: DNS rebinding in --inspect",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux ships with `localhost` and `localhost6` defined in `/etc/hosts`, and thus in general, would not be affected by this flaw, with some specific exceptions, such as :\n - `/etc/hosts` is disabled or has its default content (including `localhost6`) removed\n - the inspector is accessed using SSH tunneling from a remote computer that does not have `localhost6` statically defined\n\nRed Hat Quay from version 3.4 consumes the nodejs from RHEL, so security tracking is provided by the container health index on the customer portal [1]. Additionally there is no impact from this issue on Quay 3.3 and 3.2 because they don\u0027t use the debug option (--inspect) and nodejs is only used at build time [2].\n[1] https://catalog.redhat.com/software/containers/quay/quay-rhel8/600e03aadd19c7786c43ae49?container-tabs=security\n[2] https://issues.redhat.com/browse/PROJQUAY-1409",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-22884"
},
{
"category": "external",
"summary": "RHBZ#1932024",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932024"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-22884",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-22884"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-22884",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22884"
}
],
"release_date": "2021-02-18T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-03-08T10:31:43+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2021:0740"
},
{
"category": "workaround",
"details": "Ensure that \u0027localhost6\u0027 is part of /etc/hosts.\ne.g.: \n\n```\n$ grep localhost6 /etc/hosts\n::1 localhost localhost.localdomain localhost6 localhost6.localdomain6\n```",
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "nodejs: DNS rebinding in --inspect"
}
]
}
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- 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.