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    2 vulnerabilities found for Reverb by Google Deepmind

    CVE-2024-8375 (GCVE-0-2024-8375)

    Vulnerability from nvd – Published: 2024-09-19 15:50 – Updated: 2024-09-19 18:02
    VLAI
    Title
    Object deserialization in Reverb leading to RCE
    Summary
    There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance. Afterwards, Reverb copies the content in tensor_content to the previously mentioned pre-allocated memory, which results in the bytes in tensor_content overwriting the vtable pointers of all the objects which were previously allocated. Reverb exposes 2 relevant gRPC endpoints: InsertStream and SampleStream. The attacker can insert this stream into the server’s database, then when the client next calls SampleStream they will unpack the tensor into RAM, and when any method on that object is called (including its destructor) the attacker gains control of the Program Counter. We recommend upgrading past git commit  https://github.com/google-deepmind/reverb/commit/6a0dcf4c9e842b7f999912f792aaa6f6bd261a25
    Severity
    5.7 (Medium)
    CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    Google Deepmind Reverb Affected: 0 , < https://github.com/google-deepmind/reverb/commit/6a0dcf4c9e842b7f999912f792aaa6f6bd261a25 (git)
    		Create a notification for this product.
    Date Public
    2024-08-28 10:00
    Show details on NVD website
    To clipboard 

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    CVE-2024-8375 (GCVE-0-2024-8375)

    Vulnerability from cvelistv5 – Published: 2024-09-19 15:50 – Updated: 2024-09-19 18:02
    VLAI
    Title
    Object deserialization in Reverb leading to RCE
    Summary
    There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance. Afterwards, Reverb copies the content in tensor_content to the previously mentioned pre-allocated memory, which results in the bytes in tensor_content overwriting the vtable pointers of all the objects which were previously allocated. Reverb exposes 2 relevant gRPC endpoints: InsertStream and SampleStream. The attacker can insert this stream into the server’s database, then when the client next calls SampleStream they will unpack the tensor into RAM, and when any method on that object is called (including its destructor) the attacker gains control of the Program Counter. We recommend upgrading past git commit  https://github.com/google-deepmind/reverb/commit/6a0dcf4c9e842b7f999912f792aaa6f6bd261a25
    Severity
    5.7 (Medium)
    CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    Google Deepmind Reverb Affected: 0 , < https://github.com/google-deepmind/reverb/commit/6a0dcf4c9e842b7f999912f792aaa6f6bd261a25 (git)
    		Create a notification for this product.
    Date Public
    2024-08-28 10:00
    Show details on NVD website
    To clipboard 

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