usn-6728-3
Vulnerability from osv_ubuntu
USN-6728-1 fixed vulnerabilities in Squid. The fix for CVE-2023-5824 caused Squid to crash in certain environments on Ubuntu 20.04 LTS and was disabled in USN-6728-2. The problematic fix for CVE-2023-5824 has now been corrected and reinstated in this update.
We apologize for the inconvenience.
Original advisory details:
Joshua Rogers discovered that Squid incorrectly handled collapsed forwarding. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-49288)
Joshua Rogers discovered that Squid incorrectly handled certain structural elements. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2023-5824)
Joshua Rogers discovered that Squid incorrectly handled Cache Manager error responses. A remote trusted client can possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2024-23638)
Joshua Rogers discovered that Squid incorrectly handled the HTTP Chunked decoder. A remote attacker could possibly use this issue to cause Squid to stop responding, resulting in a denial of service. (CVE-2024-25111)
Joshua Rogers discovered that Squid incorrectly handled HTTP header parsing. A remote trusted client can possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2024-25617)
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2023-5824",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2023-49288",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "squid",
"binary_version": "4.10-1ubuntu1.12"
},
{
"binary_name": "squid-cgi",
"binary_version": "4.10-1ubuntu1.12"
},
{
"binary_name": "squid-common",
"binary_version": "4.10-1ubuntu1.12"
},
{
"binary_name": "squid-purge",
"binary_version": "4.10-1ubuntu1.12"
},
{
"binary_name": "squidclient",
"binary_version": "4.10-1ubuntu1.12"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "squid",
"purl": "pkg:deb/ubuntu/squid@4.10-1ubuntu1.12?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.10-1ubuntu1.12"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.8-1ubuntu2",
"4.8-1ubuntu3",
"4.9-2ubuntu1",
"4.9-2ubuntu2",
"4.9-2ubuntu3",
"4.9-2ubuntu4",
"4.10-1ubuntu1",
"4.10-1ubuntu1.1",
"4.10-1ubuntu1.2",
"4.10-1ubuntu1.3",
"4.10-1ubuntu1.4",
"4.10-1ubuntu1.5",
"4.10-1ubuntu1.6",
"4.10-1ubuntu1.7",
"4.10-1ubuntu1.8",
"4.10-1ubuntu1.9",
"4.10-1ubuntu1.10",
"4.10-1ubuntu1.11"
]
}
],
"aliases": [],
"details": "USN-6728-1 fixed vulnerabilities in Squid. The fix for CVE-2023-5824 caused\nSquid to crash in certain environments on Ubuntu 20.04 LTS and was disabled\nin USN-6728-2. The problematic fix for CVE-2023-5824 has now been corrected\nand reinstated in this update.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Joshua Rogers discovered that Squid incorrectly handled collapsed\n forwarding. A remote attacker could possibly use this issue to cause Squid\n to crash, resulting in a denial of service. This issue only affected Ubuntu\n 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-49288)\n \n Joshua Rogers discovered that Squid incorrectly handled certain structural\n elements. A remote attacker could possibly use this issue to cause Squid to\n crash, resulting in a denial of service. (CVE-2023-5824)\n \n Joshua Rogers discovered that Squid incorrectly handled Cache Manager error\n responses. A remote trusted client can possibly use this issue to cause\n Squid to crash, resulting in a denial of service. (CVE-2024-23638)\n \n Joshua Rogers discovered that Squid incorrectly handled the HTTP Chunked\n decoder. A remote attacker could possibly use this issue to cause Squid to\n stop responding, resulting in a denial of service. (CVE-2024-25111)\n \n Joshua Rogers discovered that Squid incorrectly handled HTTP header\n parsing. A remote trusted client can possibly use this issue to cause\n Squid to crash, resulting in a denial of service. (CVE-2024-25617)\n",
"id": "USN-6728-3",
"modified": "2026-04-27T14:11:33Z",
"published": "2024-04-23T11:20:04Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6728-3"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-5824"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-49288"
},
{
"type": "REPORT",
"url": "https://launchpad.net/bugs/2060880"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "squid vulnerability",
"upstream": [
"UBUNTU-CVE-2023-5824",
"UBUNTU-CVE-2023-49288"
]
}
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.