It was discovered that dpkg-deb does not properly sanitize directory permissions when extracting a control member into a temporary directory, which is documented as being a safe operation even on untrusted data. This may result in leaving temporary files behind on cleanup. Given automated and repeated execution of dpkg-deb commands on adversarial .deb packages or with well compressible files, placed inside a directory with permissions not allowing removal by a non-root user, this can end up in a DoS scenario due to causing disk quota exhaustion or disk full conditions.
{
"binaries": [
{
"binary_version": "1.19.0.5ubuntu2.4",
"binary_name": "dpkg"
},
{
"binary_version": "1.19.0.5ubuntu2.4",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.19.0.5ubuntu2.4",
"binary_name": "dselect"
},
{
"binary_version": "1.19.0.5ubuntu2.4",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.19.0.5ubuntu2.4",
"binary_name": "libdpkg-perl"
}
],
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}{
"binaries": [
{
"binary_version": "1.19.7ubuntu3.2",
"binary_name": "dpkg"
},
{
"binary_version": "1.19.7ubuntu3.2",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.19.7ubuntu3.2",
"binary_name": "dselect"
},
{
"binary_version": "1.19.7ubuntu3.2",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.19.7ubuntu3.2",
"binary_name": "libdpkg-perl"
}
],
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}{
"binaries": [
{
"binary_version": "1.21.1ubuntu2.6",
"binary_name": "dpkg"
},
{
"binary_version": "1.21.1ubuntu2.6",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.21.1ubuntu2.6",
"binary_name": "dselect"
},
{
"binary_version": "1.21.1ubuntu2.6",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.21.1ubuntu2.6",
"binary_name": "libdpkg-perl"
}
],
"availability": "No subscription required",
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}{
"binaries": [
{
"binary_version": "1.22.6ubuntu6.5",
"binary_name": "dpkg"
},
{
"binary_version": "1.22.6ubuntu6.5",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.22.6ubuntu6.5",
"binary_name": "dselect"
},
{
"binary_version": "1.22.6ubuntu6.5",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.22.6ubuntu6.5",
"binary_name": "libdpkg-perl"
}
],
"availability": "No subscription required",
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}{
"binaries": [
{
"binary_version": "1.22.21ubuntu1",
"binary_name": "dpkg"
},
{
"binary_version": "1.22.21ubuntu1",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.22.21ubuntu1",
"binary_name": "dselect"
},
{
"binary_version": "1.22.21ubuntu1",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.22.21ubuntu1",
"binary_name": "libdpkg-perl"
}
],
"availability": "No subscription required",
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}{
"binaries": [
{
"binary_version": "1.17.5ubuntu5.8+esm1",
"binary_name": "dpkg"
},
{
"binary_version": "1.17.5ubuntu5.8+esm1",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.17.5ubuntu5.8+esm1",
"binary_name": "dselect"
},
{
"binary_version": "1.17.5ubuntu5.8+esm1",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.17.5ubuntu5.8+esm1",
"binary_name": "libdpkg-perl"
}
],
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}{
"binaries": [
{
"binary_version": "1.18.4ubuntu1.7+esm1",
"binary_name": "dpkg"
},
{
"binary_version": "1.18.4ubuntu1.7+esm1",
"binary_name": "dpkg-dev"
},
{
"binary_version": "1.18.4ubuntu1.7+esm1",
"binary_name": "dselect"
},
{
"binary_version": "1.18.4ubuntu1.7+esm1",
"binary_name": "libdpkg-dev"
},
{
"binary_version": "1.18.4ubuntu1.7+esm1",
"binary_name": "libdpkg-perl"
}
],
"priority_reason": "Only leaves temp files around when manually extracting a deb file"
}