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RedhatCVE-2019-3814

HistoryMar 27, 2019 - 1:29 p.m.

CVE-2019-3814

2019-03-2713:29:01

CWE-295

redhat

web.nvd.nist.gov

184

dovecot

cve-2019-3814

client certificates

impersonation

security vulnerability

CVSS2

4.9

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

AI Score

6.7

Confidence

High

EPSS

0.003

Percentile

69.4%

JSON

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.

Affected configurations

Nvd

Vulners

Node

dovecotdovecotRange1.1.0–2.2.36.1

dovecotdovecotRange2.3.0–2.3.4.1

Node

canonicalubuntu_linuxMatch12.04esm

canonicalubuntu_linuxMatch14.04lts

canonicalubuntu_linuxMatch16.04lts

canonicalubuntu_linuxMatch18.04lts

canonicalubuntu_linuxMatch18.10

Node

opensuseleapMatch42.3

VendorProductVersionCPE
dovecotdovecot*cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
canonicalubuntu_linux12.04cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.04cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.10cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
opensuseleap42.3cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
dovecot	dovecot	*	cpe:2.3:a:dovecot:dovecot::::::::
canonical	ubuntu_linux	12.04	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
canonical	ubuntu_linux	18.04	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
canonical	ubuntu_linux	18.10	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*
opensuse	leap	42.3	cpe:2.3:o:opensuse:leap:42.3:::::::*

CNA Affected

[
  {
    "product": "dovecot",
    "vendor": "dovecot",
    "versions": [
      {
        "status": "affected",
        "version": "2.2.36.1"
      },
      {
        "status": "affected",
        "version": "2.3.4.1"
      }
    ]
  }
]