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CVE-2018-20346 (GCVE-0-2018-20346)

Vulnerability from cvelistv5 – Published: 2018-12-21 21:00 – Updated: 2024-08-05 11:58
VLAI
Summary
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.
Severity
8.1 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://worthdoingbadly.com/sqlitebug/ x_refsource_MISC
https://support.apple.com/HT209446 x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1659379 x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1659677 x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://www.synology.com/security/advisory/Synolo… x_refsource_CONFIRM
https://access.redhat.com/articles/3758321 x_refsource_MISC
https://support.apple.com/HT209443 x_refsource_CONFIRM
https://blade.tencent.com/magellan/index_en.html x_refsource_MISC
https://support.apple.com/HT209451 x_refsource_CONFIRM
https://github.com/zhuowei/worthdoingbadly.com/bl… x_refsource_MISC
https://news.ycombinator.com/item?id=18685296 x_refsource_MISC
https://support.apple.com/HT209450 x_refsource_CONFIRM
https://sqlite.org/src/info/940f2adc8541a838 x_refsource_MISC
https://support.apple.com/HT209448 x_refsource_CONFIRM
https://chromium.googlesource.com/chromium/src/+/… x_refsource_MISC
https://www.mail-archive.com/sqlite-users%40maili… x_refsource_MISC
http://www.securityfocus.com/bid/106323 vdb-entryx_refsource_BID
https://crbug.com/900910 x_refsource_MISC
https://sqlite.org/src/info/d44318f59044162e x_refsource_MISC
https://www.freebsd.org/security/advisories/FreeB… vendor-advisoryx_refsource_FREEBSD
https://chromereleases.googleblog.com/2018/12/sta… x_refsource_MISC
https://www.sqlite.org/releaselog/3_25_3.html x_refsource_MISC
https://support.apple.com/HT209447 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201904-21 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4019-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4019-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://kc.mcafee.com/corporate/index?page=conten… x_refsource_CONFIRM
Date Public
2018-12-21 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
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      "current_release_date": "2025-11-21T15:59:33+00:00",
      "cve": "CVE-2018-20346",
      "id": "CVE-2018-20346",
      "initial_release_date": "2018-12-04T00:00:00+00:00",
      "product_status:known_not_affected": "19",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "sqlite: Multiple flaws in sqlite which can be triggered via corrupted internal databases (Magellan)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-20346.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-01T01:51:35Z",
      "cve": "CVE-2018-20346",
      "id": "CVE-2018-20346",
      "initial_release_date": "2023-02-15T04:21:16Z",
      "product_status:known_affected": "425",
      "product_status:known_not_affected": "44",
      "product_status:recommended": "486",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-20346",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-20346.json",
      "version": "48"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.