CVE-2018-20506 Integer overflow in n/a
Remote attackers can execute arbitrary code via integer overflow in SQLite FTS3 merge operations when shadow tables are crafted, requiring FTS3 extension enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-20506?
CVE-2018-20506 is a high-severity vulnerability in Apple Icloud, published on 3 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries in a "merge" operation that occurs 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). This is a different vulnerability than CVE-2018-20346.
Weakness: CWE-190
Which versions are affected by CVE-2018-20506?
It affects 8 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Mac Os X, Apple Tvos, Apple Watchos and 2 more.
How do I fix CVE-2018-20506?
Upgrade to a fixed version.
Is CVE-2018-20506 being exploited?
There is no known exploitation of CVE-2018-20506 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as AZL-38485, DEBIAN-CVE-2018-20506, GHSA-hfxx-8v8g-6rcx, UBUNTU-CVE-2018-20506.