rhsa-2024_4820
Vulnerability from csaf_redhat
Published
2024-07-24 12:40
Modified
2024-11-24 17:33
Summary
Red Hat Security Advisory: httpd:2.4 security update
Notes
Topic
An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.2 Advanced 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
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
Security Fix(es):
* httpd: Substitution encoding issue in mod_rewrite (CVE-2024-38474)
* httpd: Improper escaping of output in mod_rewrite (CVE-2024-38475)
* httpd: NULL pointer dereference in mod_proxy (CVE-2024-38477)
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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"discovery_date": "2024-07-01T19:21:49+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2295013"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the mod_rewrite module of httpd. Due to a substitution encoding issue, specially crafted requests may allow an attacker to execute scripts in directories permitted by the configuration but not directly reachable by any URL or source disclosure of scripts meant only to be executed as CGI.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Substitution encoding issue in mod_rewrite",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue only affects configurations with unsafe rules used in the RewriteRule directive. Also, to exploit this flaw, an attacker must be able to upload files to the server. For these reasons, this flaw was rated with an important and not critical severity.\n\nAdditionally, this flaw requires mod_rewrite to be loaded and used. This module can be disabled if its functionality is not needed.\n\nRed Hat Enterprise Linux 6 is not affected by this vulnerability because the vulnerable code was introduced in a newer version of httpd.",
"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-2024-38474"
},
{
"category": "external",
"summary": "RHBZ#2295013",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2295013"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-38474",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38474"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-38474",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38474"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38474",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38474"
}
],
"release_date": "2024-07-01T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-07-24T12:40:36+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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},
"url": "https://access.redhat.com/errata/RHSA-2024:4820"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: Substitution encoding issue in mod_rewrite"
},
{
"cve": "CVE-2024-38475",
"cwe": {
"id": "CWE-116",
"name": "Improper Encoding or Escaping of Output"
},
"discovery_date": "2024-07-01T19:22:02+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2295014"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the mod_rewrite module of httpd. Improper escaping of output allows an attacker to map URLs to filesystem locations permitted to be served by the server but are not intentionally or directly reachable by any URL. This issue results in code execution or source code disclosure.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: Improper escaping of output in mod_rewrite",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects configurations with substitution rules used in the RewriteRule directive using backreferences or variables as the first segment of the substitution.\n\nAdditionally, this flaw requires mod_rewrite to be loaded and used. This module can be disabled if its functionality is not needed.\n\nRed Hat Enterprise Linux 6 is not affected by this vulnerability because the vulnerable code was introduced in a newer version of httpd.",
"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-2024-38475"
},
{
"category": "external",
"summary": "RHBZ#2295014",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2295014"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-38475",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38475"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-38475",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38475"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38475",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38475"
}
],
"release_date": "2024-07-01T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-07-24T12:40:36+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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},
"url": "https://access.redhat.com/errata/RHSA-2024:4820"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: Improper escaping of output in mod_rewrite"
},
{
"cve": "CVE-2024-38477",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2024-07-01T19:22:29+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2295016"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the mod_proxy module of httpd. A NULL pointer dereference can be triggered when processing a specially crafted HTTP request, causing the httpd server to crash, and resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "httpd: NULL pointer dereference in mod_proxy",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "As this flaw allows a remote attacker to cause a denial of service, it has been rated with an important severity.\n\nThis flaw only affects configurations with mod_proxy loaded and being used. This module can be disabled via the configuration file if its functionality is not being used.",
"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"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2024-38477"
},
{
"category": "external",
"summary": "RHBZ#2295016",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2295016"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-38477",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38477"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-38477",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38477"
},
{
"category": "external",
"summary": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38477",
"url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-38477"
}
],
"release_date": "2024-07-01T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-07-24T12:40:36+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-2024:4820"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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]
}
],
"scores": [
{
"cvss_v3": {
"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"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "httpd: NULL pointer dereference in mod_proxy"
}
]
}
Loading...
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.