Discourse is an open source platform for community discussion. In affected versions maliciously crafted requests could lead to remote code execution. This resulted from a lack of validation in subscribe_url values. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. To workaround the issue without updating, requests with a path starting /webhooks/aws path could be blocked at an upstream proxy.
{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.7.9"
},
{
"introduced": "2.8.0-beta1"
},
{
"last_affected": "2.8.0-beta1"
},
{
"introduced": "2.8.0-beta2"
},
{
"last_affected": "2.8.0-beta2"
},
{
"introduced": "2.8.0-beta3"
},
{
"last_affected": "2.8.0-beta3"
},
{
"introduced": "2.8.0-beta4"
},
{
"last_affected": "2.8.0-beta4"
},
{
"introduced": "2.8.0-beta5"
},
{
"last_affected": "2.8.0-beta5"
},
{
"introduced": "2.8.0-beta6"
},
{
"last_affected": "2.8.0-beta6"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING",
"REFERENCES"
],
"cpe": [
"cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2.8.0:beta1:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2.8.0:beta4:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2.8.0:beta5:*:*:*:*:*:*",
"cpe:2.3:a:discourse:discourse:2.8.0:beta6:*:*:*:*:*:*"
]
}