CVE-2023-2203 Use after free in WebKitGTK
Attackers can trigger a use-after-free via crafted web content, leading to arbitrary code execution or denial of service in applications using WebKitGTK.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-2203?
CVE-2023-2203 is a high-severity use after free vulnerability in Redhat Enterprise Linux, published on 17 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in the WebKitGTK package. An improper input validation issue may lead to a use-after-free vulnerability. This flaw allows attackers with network access to pass specially crafted web content files, causing a denial of service or arbitrary code execution. This CVE exists because of a CVE-2023-28205 security regression for the WebKitGTK package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.
Weakness: CWE-416
Which versions are affected by CVE-2023-2203?
It affects 5 products.
Linux distribution packages (19)
webkit2gtk3 Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-devel-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-jsc Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-jsc-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-jsc-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3-jsc-devel-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.38.5-1.el8_8.3 |
webkit2gtk3 Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-debugsource Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-devel-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-jsc Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-jsc-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-jsc-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3-jsc-devel-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:2.38.5-1.el9_2.1 |
webkit2gtk3 Rocky Linux:8 | All versions | 0:2.38.5-1.el8_8.3 |
Products include Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Tus, Webkitgtk Webkit2gtk3.
How do I fix CVE-2023-2203?
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-2023-2203 being exploited?
There is no known exploitation of CVE-2023-2203 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux
- CVE-2018-14667 Red Hat JBoss RichFaces Framework Expression Language Injection
- CVE-2021-20325 Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a securit
- CVE-2018-25011 Memory corruption in libwebp
- CVE-2018-25014 Other in libwebp
- CVE-2014-3585 Supply chain in redhat-upgrade-tool
Sources
Also known as GHSA-p2w5-xch3-v6pv, RHSA-2023:2653, RHSA-2023:3108, RLSA-2023:3108, UBUNTU-CVE-2023-2203.