Overview
- Description
- A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
- Source
- cve@mitre.org
- NVD status
- Analyzed
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:N/UI:R/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-120
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1E99E69F-264A-4AD2-B507-02486117FA1C",
"versionEndIncluding": "13.38.1",
"versionStartIncluding": "13.0.0"
},
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A0F7194B-B22A-4A28-98D2-5565442D8EF9",
"versionEndIncluding": "16.15.1",
"versionStartIncluding": "16.0.0"
},
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1B6714BD-DBC8-4F8D-A7C9-C8A93FE7A73C",
"versionEndIncluding": "17.9.1",
"versionStartIncluding": "17.0.0"
},
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A8DFA54E-1555-4438-AAD3-DE033F33147F",
"versionEndIncluding": "18.1.1",
"versionStartIncluding": "18.0"
}
],
"operator": "OR"
}
]
}
]