A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "36"
}
]
},
{
"events": [
{
"introduced": "8.2.0"
},
{
"fixed": "8.2.12"
}
]
},
{
"events": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.6"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.1.0"
}
]
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-27534.json"