USN-5378-2 fixed a vulnerability in XZ Utils. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.
Original advisory details:
Cleemy Desu Wayo discovered that Gzip incorrectly handled certain filenames. If a user or automated system were tricked into performing zgrep operations with specially crafted filenames, a remote attacker could overwrite arbitrary files.
{
"binaries": [
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.14.04.1+esm1",
"binary_name": "liblzma-dev"
},
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.14.04.1+esm1",
"binary_name": "liblzma5"
},
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.14.04.1+esm1",
"binary_name": "xz-utils"
},
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.14.04.1+esm1",
"binary_name": "xzdec"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"id": "CVE-2022-1271",
"severity": [
{
"type": "CVSS_V3",
"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:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
{
"binaries": [
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.16.04.1+esm1",
"binary_name": "liblzma-dev"
},
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.16.04.1+esm1",
"binary_name": "liblzma5"
},
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.16.04.1+esm1",
"binary_name": "xz-utils"
},
{
"binary_version": "5.1.1alpha+20120614-2ubuntu2.16.04.1+esm1",
"binary_name": "xzdec"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2022-1271",
"severity": [
{
"type": "CVSS_V3",
"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:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}