An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.
{
"binaries": [
{
"binary_name": "quagga",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-bgpd",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-core",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-isisd",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-ospf6d",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-ospfd",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-pimd",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-ripd",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
},
{
"binary_name": "quagga-ripngd",
"binary_version": "1.2.4-1ubuntu0.1~esm2"
}
]
}
{
"binaries": [
{
"binary_name": "quagga",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-bgpd",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-core",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-isisd",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-ospf6d",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-ospfd",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-pimd",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-ripd",
"binary_version": "1.2.4-4ubuntu0.5"
},
{
"binary_name": "quagga-ripngd",
"binary_version": "1.2.4-4ubuntu0.5"
}
]
}