USN-5615-1: SQLite vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• sqlite3 - C library that implements an SQL database engine

Details

It was discovered that SQLite incorrectly handled INTERSEC query
processing. An attacker could use this issue to cause SQLite to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-35525)

It was discovered that SQLite incorrectly handled ALTER TABLE for views
that have a nested FROM clause. An attacker could use this issue to cause
SQLite to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue was only addressed in Ubuntu 20.04 LTS.
(CVE-2020-35527)

It was discovered that SQLite incorrectly handled embedded null characters
when tokenizing certain unicode strings. This issue could result in
incorrect results. This issue only affected Ubuntu 20.04 LTS.
(CVE-2021-20223)

Update instructions

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

Ubuntu 20.04

• sqlite3 - 3.31.1-4ubuntu0.4

Ubuntu 18.04

• sqlite3 - 3.22.0-1ubuntu0.6

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

References

• CVE-2021-20223
• CVE-2020-35525
• CVE-2020-35527

Related notices

• USN-5615-2: sqlite3, libsqlite3-tcl, sqlite3-doc, libsqlite3-dev, libsqlite3-0, lemon
• USN-5615-3: sqlite3, libsqlite3-tcl, sqlite3-doc, libsqlite3-dev, libsqlite3-0, lemon