USN-4551-1
- Source
- https://ubuntu.com/security/notices/USN-4551-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4551-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-4551-1
- Upstream
- Related
- Published
- 2020-09-28T16:41:05.131823Z
- Modified
- 2025-10-13T04:35:15Z
- Summary
- squid3 vulnerabilities
- Details
-
Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. (CVE-2020-15049)
Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. (CVE-2020-15810)
Régis Leroy discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request splitting attack, resulting in cache poisoning. (CVE-2020-15811)
Lubos Uhliarik discovered that Squid incorrectly handled certain Cache Digest response messages sent by trusted peers. A remote attacker could possibly use this issue to cause Squid to consume resources, resulting in a denial of service. (CVE-2020-24606)
- References
Affected packages
Ubuntu:16.04:LTS / squid3
Package
- Name
- squid3
- Purl
- pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.15?arch=source&distro=xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.5.12-1ubuntu7.15
Affected versions
3.*
3.3.8-1ubuntu16
3.3.8-1ubuntu17
3.5.12-1ubuntu6
3.5.12-1ubuntu7
3.5.12-1ubuntu7.1
3.5.12-1ubuntu7.2
3.5.12-1ubuntu7.3
3.5.12-1ubuntu7.4
3.5.12-1ubuntu7.5
3.5.12-1ubuntu7.6
3.5.12-1ubuntu7.7
3.5.12-1ubuntu7.8
3.5.12-1ubuntu7.9
3.5.12-1ubuntu7.10
3.5.12-1ubuntu7.11
3.5.12-1ubuntu7.12
3.5.12-1ubuntu7.13
3.5.12-1ubuntu7.14
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "squid",
"binary_version": "3.5.12-1ubuntu7.15"
},
{
"binary_name": "squid-cgi",
"binary_version": "3.5.12-1ubuntu7.15"
},
{
"binary_name": "squid-common",
"binary_version": "3.5.12-1ubuntu7.15"
},
{
"binary_name": "squid-purge",
"binary_version": "3.5.12-1ubuntu7.15"
},
{
"binary_name": "squid3",
"binary_version": "3.5.12-1ubuntu7.15"
},
{
"binary_name": "squidclient",
"binary_version": "3.5.12-1ubuntu7.15"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2020-15049",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-15810",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-15811",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-24606",
"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:C/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
Ubuntu:18.04:LTS / squid3
Package
- Name
- squid3
- Purl
- pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.9?arch=source&distro=bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.5.27-1ubuntu1.9
Affected versions
3.*
3.5.23-5ubuntu1
3.5.23-5ubuntu2
3.5.27-1ubuntu1
3.5.27-1ubuntu1.1
3.5.27-1ubuntu1.2
3.5.27-1ubuntu1.3
3.5.27-1ubuntu1.4
3.5.27-1ubuntu1.5
3.5.27-1ubuntu1.6
3.5.27-1ubuntu1.7
3.5.27-1ubuntu1.8
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "squid",
"binary_version": "3.5.27-1ubuntu1.9"
},
{
"binary_name": "squid-cgi",
"binary_version": "3.5.27-1ubuntu1.9"
},
{
"binary_name": "squid-common",
"binary_version": "3.5.27-1ubuntu1.9"
},
{
"binary_name": "squid-purge",
"binary_version": "3.5.27-1ubuntu1.9"
},
{
"binary_name": "squid3",
"binary_version": "3.5.27-1ubuntu1.9"
},
{
"binary_name": "squidclient",
"binary_version": "3.5.27-1ubuntu1.9"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2020-15049",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-15810",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-15811",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-24606",
"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:C/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}