Integer Overflow or Wraparound

Affecting sqlite3 package, versions <3.8.7.1-1+deb8u3

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Overview

SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries that occur after crafted changes to FTS3 shadow tables, allowing remote attackers to execute arbitrary code by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases), aka Magellan.

References

CVSS Score

8.1
high severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE
CVE-2018-20346
CWE
CWE-190
Snyk ID
SNYK-DEBIAN8-SQLITE3-307592
Disclosed
21 Dec, 2018
Published
21 Dec, 2018