Overview
- Description
- Race condition in the chan_pjsip channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a cancel request for a SIP session with a queued action to (1) answer a session or (2) send ringing.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-20
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F21F0B73-A30F-4673-B3A8-D9F456FFCEF2",
"versionEndExcluding": "12.7.1",
"versionStartIncluding": "12.0.0"
},
{
"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0C83CD93-7CBA-4FF0-B29E-A509F4A3D5E2",
"versionEndExcluding": "13.0.1",
"versionStartIncluding": "13.0.0"
}
],
"operator": "OR"
}
]
}
]