CVE-2021-28040
Published Mar 5, 2021
Last updated 4 years ago
Overview
- Description
- An issue was discovered in OSSEC 3.6.0. An uncontrolled recursion vulnerability in os_xml.c occurs when a large number of opening and closing XML tags is used. Because recursion is used in _ReadElem without restriction, an attacker can trigger a segmentation fault once unmapped memory is reached.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
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-674
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ossec:ossec:3.6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5194EBBE-813E-4C77-BE63-1302B9E88855"
}
],
"operator": "OR"
}
]
}
]