Overview
- Description
- A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server.
- Source
- talos-cna@cisco.com
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.1
- Impact score
- 4.2
- Exploitability score
- 2.8
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5.5
- Impact score
- 4.9
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:P/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dovecot:dovecot:2.2.33.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DDA6B30F-59C7-4B98-AEDF-9341F3886A6C"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:ubuntu:ubuntu:14.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "80D933F0-A437-4AAA-88C2-9AF7153F9046"
},
{
"criteria": "cpe:2.3:o:ubuntu:ubuntu:16.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEC57FA0-E21B-4F6B-B7DC-90BA281826BA"
},
{
"criteria": "cpe:2.3:o:ubuntu:ubuntu:17.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4AC71056-D783-44B4-AAF1-CA176B4C25BC"
}
],
"operator": "OR"
}
]
}
]