CVE-2020-13558 Use after free in Webkit
A use-after-free flaw in WebKitGTK allows attackers to execute arbitrary code via a specially crafted web page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-13558?
CVE-2020-13558 is a high-severity use after free vulnerability in Webkitgtk Webkitgtk, published on 3 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
Weakness: CWE-416
Which versions are affected by CVE-2020-13558?
It affects 1 product.
Linux distribution packages (16)
webkit2gtk3 SUSE:Enterprise Storage 6 | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise High Performance Computing 15-ESPOS | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise High Performance Computing 15-LTSS | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise Module for Basesystem 15 SP2 | All versions | 2.30.5-3.12.1 |
webkit2gtk3 SUSE:Linux Enterprise Module for Desktop Applications 15 SP2 | All versions | 2.30.5-3.12.1 |
webkit2gtk3 SUSE:Linux Enterprise Server 15 SP1-BCL | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise Server 15 SP1-LTSS | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise Server 15-LTSS | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise Server for SAP Applications 15 | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Linux Enterprise Server for SAP Applications 15 SP1 | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Manager Proxy 4.0 | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Manager Retail Branch Server 4.0 | All versions | 2.30.5-3.66.1 |
webkit2gtk3 SUSE:Manager Server 4.0 | All versions | 2.30.5-3.66.1 |
webkit2gtk3 openSUSE:Leap 15.2 | All versions | 2.30.5-lp152.2.10.5 |
Products include Webkitgtk Webkitgtk.
How do I fix CVE-2020-13558?
Apply the vendor's patch.
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-2020-13558 being exploited?
There is no known exploitation of CVE-2020-13558 in the wild and no public exploit code.
Other vulnerabilities in Webkitgtk Webkitgtk
Sources
Also known as DEBIAN-CVE-2020-13558, DSA-4854-1, GHSA-qhvm-2jxc-mqxw, MGASA-2021-0107, SUSE-SU-2021:0536-1, SUSE-SU-2021:0583-1 and 3 more.