high
7.1
CWE
552
Advisory Published
Advisory Published
Updated

CVE-2023-2976: Use of temporary directory for file creation in `FileBackedOutputStream` in Guava

First published: Wed Jun 14 2023(Updated: )

Google Guava could allow a local authenticated attacker to obtain sensitive information, caused by a flaw with using Java's default temporary directory for file creation in FileBackedOutputStream. By sending a specially crafted request, an attacker could exploit this vulnerability to access the files in the default Java temporary directory, and use this information to launch further attacks against the affected system.

Credit: cve-coordination@google.com cve-coordination@google.com cve-coordination@google.com

Affected SoftwareAffected VersionHow to fix
Google Guava<32.0.0
maven/com.google.guava:guava>=1.0<32.0.0-android
32.0.0-android
redhat/guava<32.0.0
32.0.0
IBM Cloud Pak for Business Automation<=V23.0.1 - V23.0.1-IF002
IBM Cloud Pak for Business Automation<=V21.0.3 - V21.0.3-IF024
IBM Cloud Pak for Business Automation<=V22.0.2 - V22.0.2-IF006 and later fixesV22.0.1 - V22.0.1-IF006 and later fixesV21.0.2 - V21.0.2-IF012 and later fixesV21.0.1 - V21.0.1-IF007 and later fixesV20.0.1 - V20.0.3 and later fixesV19.0.1 - V19.0.3 and later fixesV18.0.0 - V18.0.2 and later fixes

Remedy

https://github.com/google/guava/issues/2575

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-2976?

    CVE-2023-2976 is a vulnerability that allows other users and apps on Unix systems and Android Ice Cream Sandwich to access files created in Java's default temporary directory in FileBackedOutputStream in Google Guava versions 1.0 to 31.1.

  • What is the severity of CVE-2023-2976?

    The severity of CVE-2023-2976 is high with a severity value of 7.1.

  • How does CVE-2023-2976 affect affected software?

    CVE-2023-2976 affects Google Guava versions 1.0 to 31.1 on Unix systems and Android Ice Cream Sandwich.

  • How can I fix CVE-2023-2976?

    To fix CVE-2023-2976, it is recommended to upgrade to Google Guava version 32.0.0 or higher.

  • What are the references for CVE-2023-2976?

    The references for CVE-2023-2976 are: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-2976), [GitHub Issue 2575](https://github.com/google/guava/issues/2575), [GitHub Issue 6532](https://github.com/google/guava/issues/6532).

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