rhsa-2024_1375
Vulnerability from csaf_redhat
Published
2024-03-19 14:13
Modified
2024-11-24 13:13
Summary
Red Hat Security Advisory: squid:4 security update
Notes
Topic
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.
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
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
* squid: denial of service in HTTP header parser (CVE-2024-25617)
* squid: Denial of Service in HTTP Chunked Decoding (CVE-2024-25111)
* squid: denial of service in HTTP request parsing (CVE-2023-50269)
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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{
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"text": "A flaw was found in Squid, which is susceptible to a Denial of Service (DoS) due to an Uncontrolled Recursion bug, specifically targeting HTTP Request parsing. Exploiting this issue involves a remote client initiating a DoS attack by sending an oversized X-Forwarded-For header when the follow_x_forwarded_for feature is configured. This issue poses a threat to the stability and availability of the Squid service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "squid: denial of service in HTTP request parsing",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Squid configurations lacking the \"follow_x_forwarded_for\" setting are not susceptible to the vulnerability.",
"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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"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",
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},
{
"cve": "CVE-2024-25111",
"cwe": {
"id": "CWE-674",
"name": "Uncontrolled Recursion"
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"system_name": "Red Hat Bugzilla ID",
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{
"category": "description",
"text": "A flaw was found in Squid. This issue may allow a remote attacker to trigger an uncontrolled recursion bug when sending a specially crafted, chunked, encoded HTTP Message, resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "squid: Denial of Service in HTTP Chunked Decoding",
"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\nThe Squid package as shipped in Red Hat Enterprise Linux 6 and 7 is not affected by this vulnerability because the vulnerable code was introduced in a newer version of Squid.",
"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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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2024-25111"
},
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"category": "external",
"summary": "RHBZ#2268366",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2268366"
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},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-25111"
},
{
"category": "external",
"summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-72c2-c3wm-8qxc",
"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-72c2-c3wm-8qxc"
},
{
"category": "external",
"summary": "https://megamansec.github.io/Squid-Security-Audit/chunked-stackoverflow.html",
"url": "https://megamansec.github.io/Squid-Security-Audit/chunked-stackoverflow.html"
}
],
"release_date": "2024-03-06T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-03-19T14:13:07+00:00",
"details": "For details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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},
"url": "https://access.redhat.com/errata/RHSA-2024:1375"
},
{
"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": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "squid: Denial of Service in HTTP Chunked Decoding"
},
{
"cve": "CVE-2024-25617",
"cwe": {
"id": "CWE-400",
"name": "Uncontrolled Resource Consumption"
},
"discovery_date": "2024-02-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2264309"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Squid. This issue may allow a remote client or remote server to trigger a denial of service when sending oversized headers in HTTP messages.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "squid: denial of service in HTTP header parser",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue can be exploitable when the Squid request_header_max_size and reply_header_max_size configuration options have a big value, specifically, values greater than 64KB. In Squid versions prior to 6.5, the default value of these options are unsafe.\nThe Squid package as shipped in Red Hat Enterprise Linux 7, 8 and 9 has an unsafe default configuration and is vulnerable to this issue.",
"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-2024-25617"
},
{
"category": "external",
"summary": "RHBZ#2264309",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2264309"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-25617",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-25617"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-25617",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-25617"
},
{
"category": "external",
"summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr",
"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-h5x6-w8mv-xfpr"
},
{
"category": "external",
"summary": "https://megamansec.github.io/Squid-Security-Audit/response-memleaks.html",
"url": "https://megamansec.github.io/Squid-Security-Audit/response-memleaks.html"
}
],
"release_date": "2024-02-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-03-19T14:13:07+00:00",
"details": "For details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2024:1375"
},
{
"category": "workaround",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "squid: denial of service in HTTP header parser"
}
]
}
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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.