CVE-2020-13871 Use after free in n/a
A use-after-free in SQLite's window function handling allows attackers to potentially execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13871?
CVE-2020-13871 is a high-severity use after free vulnerability in Debian Debian Linux, published on 6 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.
Weakness: CWE-416
Which versions are affected by CVE-2020-13871?
1 open source package ship an affected version, including sqlite. It affects 12 products.
| Package | Affected | Fixed in |
|---|---|---|
sqlite Bitnami | From 3.32.2 | 3.32.3 |
Products include Debian Debian Linux, Fedoraproject Fedora, Netapp Cloud Backup, Netapp Ontap Select Deploy Administration Utility, Oracle Communications Messaging Server, Oracle Communications Network Charging and Control and 6 more.
How do I fix CVE-2020-13871?
Upgrade sqlite to 3.32.3 or later.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-13871 being exploited?
There is no known exploitation of CVE-2020-13871 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as A-192606047, ASB-A-192606047, BIT-sqlite-2020-13871, DEBIAN-CVE-2020-13871, GHSA-wjq2-9xcc-v8x3.