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==========================================================================
Ubuntu Security Notice USN-4394-1
June 10, 2020

sqlite3 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in SQLite.

Software Description:
- sqlite3: C library that implements an SQL database engine

Details:

It was discovered that SQLite incorrectly handled certain corruped schemas.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS. (CVE-2018-8740)

It was discovered that SQLite incorrectly handled certain SELECT
statements. An attacker could possibly use this issue to cause a denial of
service. This issue was only addressed in Ubuntu 19.10. (CVE-2019-19603)

It was discovered that SQLite incorrectly handled certain self-referential
views. An attacker could possibly use this issue to cause a denial of
service. This issue was only addressed in Ubuntu 19.10. (CVE-2019-19645)

Henry Liu discovered that SQLite incorrectly handled certain malformed
window-function queries. An attacker could possibly use this issue to cause
a denial of service. This issue only affected Ubuntu 19.10 and Ubuntu 20.04
LTS. (CVE-2020-11655)

It was discovered that SQLite incorrectly handled certain string
operations. An attacker could use this issue to cause SQLite to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-13434)

It was discovered that SQLite incorrectly handled certain expressions. An
attacker could use this issue to cause SQLite to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 19.10 and Ubuntu 20.04 LTS. (CVE-2020-13435)

It was discovered that SQLite incorrectly handled certain fts3 queries. An
attacker could use this issue to cause SQLite to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2020-13630)

It was discovered that SQLite incorrectly handled certain virtual table
names. An attacker could possibly use this issue to cause a denial of
service. This issue was only addressed in Ubuntu 19.10 and Ubuntu 20.04
LTS. (CVE-2020-13631)

It was discovered that SQLite incorrectly handled certain fts3 queries. An
attacker could use this issue to cause SQLite to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2020-13632)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  libsqlite3-0                    3.31.1-4ubuntu0.1
  sqlite3                         3.31.1-4ubuntu0.1

Ubuntu 19.10:
  libsqlite3-0                    3.29.0-2ubuntu0.3
  sqlite3                         3.29.0-2ubuntu0.3

Ubuntu 18.04 LTS:
  libsqlite3-0                    3.22.0-1ubuntu0.4
  sqlite3                         3.22.0-1ubuntu0.4

Ubuntu 16.04 LTS:
  libsqlite3-0                    3.11.0-1ubuntu1.5
  sqlite3                         3.11.0-1ubuntu1.5

In general, a standard system update will make all the necessary changes.

References:
  https://usn.ubuntu.com/4394-1
  CVE-2018-8740, CVE-2019-19603, CVE-2019-19645, CVE-2020-11655,
  CVE-2020-13434, CVE-2020-13435, CVE-2020-13630, CVE-2020-13631,
  CVE-2020-13632

Package Information:
  https://launchpad.net/ubuntu/+source/sqlite3/3.31.1-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/sqlite3/3.29.0-2ubuntu0.3
  https://launchpad.net/ubuntu/+source/sqlite3/3.22.0-1ubuntu0.4
  https://launchpad.net/ubuntu/+source/sqlite3/3.11.0-1ubuntu1.5


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