Vulnerabilites related to Apache Software Foundation - Apache Guacamole
CVE-2021-41767 (GCVE-0-2021-41767)
Vulnerability from cvelistv5
Published
2022-01-11 22:10
Modified
2024-08-04 03:15
Severity ?
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user's active use of that same connection.
Impacted products
Show details on NVD website


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CVE-2017-3158 (GCVE-0-2017-3158)
Vulnerability from cvelistv5
Published
2018-01-18 20:00
Modified
2024-09-16 16:37
Severity ?
CWE
  • Buffer Overflow
Summary
A race condition in Guacamole's terminal emulator in versions 0.9.5 through 0.9.10-incubating could allow writes of blocks of printed data to overlap. Such overlapping writes could cause packet data to be misread as the packet length, resulting in the remaining data being written beyond the end of a statically-allocated buffer.
Impacted products
Vendor Product Version
Apache Software Foundation Apache Guacamole Version: Apache Guacamole 0.9.5 to 0.9.10-incubating
Create a notification for this product.
Show details on NVD website


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CVE-2021-43999 (GCVE-0-2021-43999)
Vulnerability from cvelistv5
Published
2022-01-11 22:10
Modified
2024-08-04 04:10
Severity ?
CWE
  • CWE-287 - Improper Authentication
Summary
Apache Guacamole 1.2.0 and 1.3.0 do not properly validate responses received from a SAML identity provider. If SAML support is enabled, this may allow a malicious user to assume the identity of another Guacamole user.
Impacted products
Show details on NVD website


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CVE-2018-1340 (GCVE-0-2018-1340)
Vulnerability from cvelistv5
Published
2019-02-07 22:00
Modified
2024-09-16 19:20
Severity ?
CWE
  • Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
Summary
Prior to 1.0.0, Apache Guacamole used a cookie for client-side storage of the user's session token. This cookie lacked the "secure" flag, which could allow an attacker eavesdropping on the network to intercept the user's session token if unencrypted HTTP requests are made to the same domain.
Impacted products
Vendor Product Version
Apache Software Foundation Apache Guacamole Version: Apache Guacamole 0.9.4 to 0.9.14
Create a notification for this product.
Show details on NVD website


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CVE-2024-35164 (GCVE-0-2024-35164)
Vulnerability from cvelistv5
Published
2025-07-02 11:23
Modified
2025-07-03 03:55
CWE
  • CWE-129 - Improper Validation of Array Index
Summary
The terminal emulator of Apache Guacamole 1.5.5 and older does not properly validate console codes received from servers via text-based protocols like SSH. If a malicious user has access to a text-based connection, a specially-crafted sequence of console codes could allow arbitrary code to be executed with the privileges of the running guacd process. Users are recommended to upgrade to version 1.6.0, which fixes this issue.
Impacted products
Show details on NVD website


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CVE-2023-30576 (GCVE-0-2023-30576)
Vulnerability from cvelistv5
Published
2023-06-07 08:06
Modified
2024-10-10 14:43
CWE
Summary
Apache Guacamole 0.9.10 through 1.5.1 may continue to reference a freed RDP audio input buffer. Depending on timing, this may allow an attacker to execute arbitrary code with the privileges of the guacd process.
Impacted products
Show details on NVD website


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CVE-2023-30575 (GCVE-0-2023-30575)
Vulnerability from cvelistv5
Published
2023-06-07 08:06
Modified
2024-10-10 14:39
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
Summary
Apache Guacamole 1.5.1 and older may incorrectly calculate the lengths of instruction elements sent during the Guacamole protocol handshake, potentially allowing an attacker to inject Guacamole instructions during the handshake through specially-crafted data.
Impacted products
Show details on NVD website


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CVE-2023-43826 (GCVE-0-2023-43826)
Vulnerability from cvelistv5
Published
2023-12-19 19:50
Modified
2025-02-13 17:13
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
Apache Guacamole 1.5.3 and older do not consistently ensure that values received from a VNC server will not result in integer overflow. If a user connects to a malicious or compromised VNC server, specially-crafted data could result in memory corruption, possibly allowing arbitrary code to be executed with the privileges of the running guacd process. Users are recommended to upgrade to version 1.5.4, which fixes this issue.
Impacted products
Show details on NVD website


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            "baseScore": 7,
            "baseSeverity": "HIGH",
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            },
            {
              "lang": "en",
              "value": "An attacker does not necessarily have any access to Guacamole, but has managed to convince a Guacamole administrator to provide at least one Guacamole user with access to a malicious VNC server through social engineering."
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
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        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
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          "url": "https://lists.apache.org/thread/23gzwftpfgtq97tj6ttmbclry53kmwv6"
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          "url": "http://www.openwall.com/lists/oss-security/2023/12/19/4"
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        "defect": [
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        "discovery": "EXTERNAL"
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          "lang": "en",
          "time": "2023-09-22T03:08:00.000Z",
          "value": "Reported to security@guacamole.apache.org"
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        {
          "lang": "en",
          "time": "2023-09-22T16:44:00.000Z",
          "value": "Report acknowledged by project"
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          "lang": "en",
          "time": "2023-09-22T21:42:00.000Z",
          "value": "Report confirmed by project"
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          "lang": "en",
          "time": "2023-10-26T17:36:00.000Z",
          "value": "Fix completed and merged"
        },
        {
          "lang": "en",
          "time": "2023-10-27T00:15:00.000Z",
          "value": "Fix tested and confirmed by reporter"
        },
        {
          "lang": "en",
          "time": "2023-12-08T01:00:00.000Z",
          "value": "Fix released"
        }
      ],
      "title": "Apache Guacamole: Integer overflow in handling of VNC image buffers",
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    "assignerShortName": "apache",
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    "dateReserved": "2023-09-25T04:00:57.264Z",
    "dateUpdated": "2025-02-13T17:13:32.192Z",
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