CVE-2023-49288 (GCVE-0-2023-49288)
Vulnerability from cvelistv5
Published
2023-12-04 22:49
Modified
2025-02-13 17:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with "collapsed_forwarding on" are vulnerable. Configurations with "collapsed_forwarding off" or without a "collapsed_forwarding" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| squid-cache | squid |
Version: >= 3.5, < 6.0.1 |
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"references": [
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"tags": [
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"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-rj5h-46j6-q2g5"
},
{
"tags": [
"x_transferred"
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/"
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"x_transferred"
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20240119-0006/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
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"other": {
"content": {
"id": "CVE-2023-49288",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-15T17:28:35.294191Z",
"version": "2.0.3"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
{
"product": "squid",
"vendor": "squid-cache",
"versions": [
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}
],
"metrics": [
{
"cvssV3_1": {
"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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"problemTypes": [
{
"descriptions": [
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"description": "CWE-416: Use After Free",
"lang": "en",
"type": "CWE"
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"providerMetadata": {
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},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240119-0006/"
}
],
"source": {
"advisory": "GHSA-rj5h-46j6-q2g5",
"discovery": "UNKNOWN"
},
"title": "Denial of Service in HTTP Collapsed Forwarding in Squid"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2023-49288",
"datePublished": "2023-12-04T22:49:31.317Z",
"dateReserved": "2023-11-24T16:45:24.312Z",
"dateUpdated": "2025-02-13T17:18:39.710Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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