Overview
- Description
- res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.5
- Impact score
- 3.6
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4
- Impact score
- 2.9
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-476
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9A8D1D77-EF86-47B3-85FF-1FD4CFC301D8",
"versionEndIncluding": "15.7.3",
"versionStartIncluding": "15.0.0"
},
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "465E0365-BCFD-4444-A046-D0BD45E40309",
"versionEndIncluding": "16.5.0",
"versionStartIncluding": "16.0.0"
}
],
"operator": "OR"
}
]
}
]