Common Weakness Enumeration

CWE-297

Allowed

Improper Validation of Certificate with Host Mismatch

Abstraction: Variant · Status: Incomplete

API response cwe.mitre.org

The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.

77 vulnerabilities reference this CWE, most recent first.

CVE-2020-15260 (GCVE-0-2020-15260)

Vulnerability from cvelistv5 – Published: 2021-03-10 22:30 – Updated: 2024-08-04 13:15
VLAI
Title
Existing TLS connections can be reused without checking remote hostname
Summary
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In version 2.10 and earlier, PJSIP transport can be reused if they have the same IP address + port + protocol. However, this is insufficient for secure transport since it lacks remote hostname authentication. Suppose we have created a TLS connection to `sip.foo.com`, which has an IP address `100.1.1.1`. If we want to create a TLS connection to another hostname, say `sip.bar.com`, which has the same IP address, then it will reuse that existing connection, even though `100.1.1.1` does not have certificate to authenticate as `sip.bar.com`. The vulnerability allows for an insecure interaction without user awareness. It affects users who need access to connections to different destinations that translate to the same address, and allows man-in-the-middle attack if attacker can route a connection to another destination such as in the case of DNS spoofing.
Severity
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
CWE
  • CWE-297 - Improper Validation of Certificate with Host Mismatch
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
pjsip pjproject Affected: <= 2.10
Create a notification for this product.
Show details on NVD website
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CVE-2020-14387 (GCVE-0-2020-14387)

Vulnerability from cvelistv5 – Published: 2021-05-27 19:44 – Updated: 2024-08-04 12:46
VLAI
Summary
A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated attacker could exploit the flaw by performing a man-in-the-middle attack using a valid certificate for another hostname which could compromise confidentiality and integrity of data transmitted using rsync-ssl. The highest threat from this vulnerability is to data confidentiality and integrity. This flaw affects rsync versions before 3.2.4.
Severity
No CVSS data available.
CWE
Assigner
redhat CNA
References
Impacted products
Vendor Product Version
n/a rsync Affected: rsync 3.2.4
Show details on NVD website
To clipboard 

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CVE-2020-11050 (GCVE-0-2020-11050)

Vulnerability from cvelistv5 – Published: 2020-05-07 20:15 – Updated: 2024-08-04 11:21
VLAI
Title
Improper Validation of Certificate with Host Mismatch in Java-WebSocket
Summary
In Java-WebSocket less than or equal to 1.4.1, there is an Improper Validation of Certificate with Host Mismatch where WebSocketClient does not perform SSL hostname validation. This has been patched in 1.5.0.
Severity
9 (Critical)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-297 - Improper Validation of Certificate with Host Mismatch
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
TooTallNate Java-WebSocket Affected: <= 1.4.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-1887 (GCVE-0-2020-1887)

Vulnerability from cvelistv5 – Published: 2020-03-12 23:50 – Updated: 2024-08-04 06:54
VLAI
Summary
Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.
Severity
No CVSS data available.
CWE
  • CWE-297 - Improper Validation of Certificate with Host Mismatch (CWE-297)
Assigner
facebook CNA
References
Impacted products
Vendor Product Version
Facebook Osquery Affected: 4.2.0
Affected: next of 2.9.0 , < unspecified (custom)
Affected: 2.9.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-1758 (GCVE-0-2020-1758)

Vulnerability from cvelistv5 – Published: 2020-05-15 18:52 – Updated: 2024-08-04 06:46
VLAI
Summary
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE
Assigner
redhat CNA
References
Impacted products
Vendor Product Version
Red Hat keycloak Affected: keycloak versions before 10.0.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2018-19946 (GCVE-0-2018-19946)

Vulnerability from cvelistv5 – Published: 2020-09-11 14:14 – Updated: 2024-08-05 11:51
VLAI
Summary
The vulnerability have been reported to affect earlier versions of Helpdesk. If exploited, this improper certificate validation vulnerability could allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. QNAP has already fixed the issue in Helpdesk 3.0.3 and later.
Severity
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-297 - Improper Validation of Certificate with Host Mismatch
Assigner
qnap CNA
References
Impacted products
Vendor Product Version
QNAP Systems Inc. Helpdesk Affected: unspecified , < 3.0.3 (custom)
Create a notification for this product.
Credits
Independent Security Evaluators
Show details on NVD website
To clipboard 

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CVE-2018-10936 (GCVE-0-2018-10936)

Vulnerability from cvelistv5 – Published: 2018-08-30 13:00 – Updated: 2024-08-05 07:54
VLAI
Summary
A weakness was found in postgresql-jdbc before version 42.2.5. It was possible to provide an SSL Factory and not check the host name if a host name verifier was not provided to the driver. This could lead to a condition where a man-in-the-middle attacker could masquerade as a trusted server by providing a certificate for the wrong host, as long as it was signed by a trusted CA.
Severity
8.1 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
redhat CNA
References
Impacted products
Vendor Product Version
[UNKNOWN] PostgreSQL Affected: 42.2.5
Create a notification for this product.
Date Public
2018-08-27 00:00
Show details on NVD website
To clipboard 

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              "value": "A weakness was found in postgresql-jdbc before version 42.2.5. It was possible to provide an SSL Factory and not check the host name if a host name verifier was not provided to the driver. This could lead to a condition where a man-in-the-middle attacker could masquerade as a trusted server by providing a certificate for the wrong host, as long as it was signed by a trusted CA."
            }
          ]
        },
        "impact": {
          "cvss": [
            [
              {
                "vectorString": "8.1/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              }
            ]
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-297"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "105220",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/105220"
            },
            {
              "name": "https://www.postgresql.org/about/news/1883/",
              "refsource": "CONFIRM",
              "url": "https://www.postgresql.org/about/news/1883/"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10936",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10936"
            },
            {
              "name": "[druid-commits] 20191115 [GitHub] [incubator-druid] ccaominh opened a new pull request #8878: Address security vulnerabilities",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe@%3Ccommits.druid.apache.org%3E"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-10936",
    "datePublished": "2018-08-30T13:00:00.000Z",
    "dateReserved": "2018-05-09T00:00:00.000Z",
    "dateUpdated": "2024-08-05T07:54:36.516Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}
Mitigation
Architecture and Design

Fully check the hostname of the certificate and provide the user with adequate information about the nature of the problem and how to proceed.

Mitigation
Implementation

If certificate pinning is being used, ensure that all relevant properties of the certificate are fully validated before the certificate is pinned, including the hostname.

No CAPEC attack patterns related to this CWE.

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