Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.
{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:buildbot:buildbot:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.8.2"
},
{
"introduced": "2.0.0"
},
{
"fixed": "2.3.1"
}
]
}