A vulnerability has been identified in Node.js, affecting users of the experimental permission model when the --allow-fs-write flag is used. Node.js Permission Model do not operate on file descriptors, however, operations such as fs.fchown or fs.fchmod can use a "read-only" file descriptor to change the owner and permissions of a file.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "20.16.0+dfsg-1ubuntu1",
"binary_name": "libnode-dev"
},
{
"binary_version": "20.16.0+dfsg-1ubuntu1",
"binary_name": "libnode115"
},
{
"binary_version": "20.16.0+dfsg-1ubuntu1",
"binary_name": "libnode115-dbgsym"
},
{
"binary_version": "20.16.0+dfsg-1ubuntu1",
"binary_name": "nodejs"
},
{
"binary_version": "20.16.0+dfsg-1ubuntu1",
"binary_name": "nodejs-dbgsym"
},
{
"binary_version": "20.16.0+dfsg-1ubuntu1",
"binary_name": "nodejs-doc"
}
]
}