Overview
- Description
- In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/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-20
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D60C9E29-AEFB-4A10-9E1C-1DC3C68FF0B8",
"versionEndIncluding": "2.28"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DC1BD7B7-6D88-42B8-878E-F1318CA5FCAF"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419"
}
],
"operator": "OR"
}
]
}
]