An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING",
"vendor_product": "debian:debian_linux"
}
]
}{
"cpe": [
"cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"cpe:2.3:a:digium:certified_asterisk:13.18:cert1:*:*:*:*:*:*",
"cpe:2.3:a:digium:certified_asterisk:13.18:cert2:*:*:*:*:*:*",
"cpe:2.3:a:digium:certified_asterisk:13.18:cert3:*:*:*:*:*:*",
"cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "13.0.0"
},
{
"fixed": "13.21.1"
},
{
"introduced": "0"
},
{
"fixed": "14.7.7"
},
{
"introduced": "15.0.0"
},
{
"fixed": "15.4.1"
},
{
"introduced": "13.18-cert1"
},
{
"last_affected": "13.18-cert1"
},
{
"introduced": "13.18-cert2"
},
{
"last_affected": "13.18-cert2"
},
{
"introduced": "13.18-cert3"
},
{
"last_affected": "13.18-cert3"
},
{
"introduced": "13.21-cert1"
},
{
"last_affected": "13.21-cert1"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING"
]
}