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NULL Pointer Dereference Affecting protobuf package, versions <3.12.4-1ubuntu7.22.10.1

Severity

 Recommended
low

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-UBUNTU2210-PROTOBUF-3072540
  • published 27 Jan 2022
  • disclosed 26 Jan 2022
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Introduced: 26 Jan 2022

CVE-2021-22570 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Ubuntu:22.10 protobuf to version 3.12.4-1ubuntu7.22.10.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream protobuf package and not the protobuf package as distributed by Ubuntu. See How to fix? for Ubuntu:22.10 relevant fixed versions and status.

Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of the resulting error message. Since the symbol is incorrectly parsed, the file is nullptr. We recommend upgrading to version 3.15.0 or greater.

References

CVSS Scores

version 3.1
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NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

5.5 medium
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Red Hat

7.5 high