It was discovered that py7zr was vulnerable to path traversal attacks. If a user or automated system were tricked into extracting a specially crafted 7z archive, an attacker could possibly use this issue to write arbitrary files outside the target directory on the host.
{
"binaries": [
{
"binary_name": "python3-py7zr",
"binary_version": "0.11.3+dfsg-4ubuntu0.1"
}
],
"availability": "No subscription required"
}
{
"ecosystem": "Ubuntu:22.04:LTS",
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2022-44900"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7030-1.json"