In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospfteparseextlink for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "frr",
"binary_version": "8.1-1ubuntu1.10"
},
{
"binary_name": "frr-pythontools",
"binary_version": "8.1-1ubuntu1.10"
},
{
"binary_name": "frr-rpki-rtrlib",
"binary_version": "8.1-1ubuntu1.10"
},
{
"binary_name": "frr-snmp",
"binary_version": "8.1-1ubuntu1.10"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "frr",
"binary_version": "8.4.4-1.1ubuntu6.1"
},
{
"binary_name": "frr-pythontools",
"binary_version": "8.4.4-1.1ubuntu6.1"
},
{
"binary_name": "frr-rpki-rtrlib",
"binary_version": "8.4.4-1.1ubuntu6.1"
},
{
"binary_name": "frr-snmp",
"binary_version": "8.4.4-1.1ubuntu6.1"
}
]
}