Heap-based buffer overflow in Google Chrome - CVE-2023-5129,CVE-2023-4863
Published: September 11, 2023 / Updated: June 7, 2024
Vulnerability identifier: #VU80637
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2023-5129,CVE-2023-4863
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Google
Affected software:
Google Chrome
Google Chrome
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing WebP images within libwebp library. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability affects all modern browsers that support WebP image processing.
Note, the vulnerability is being actively exploited in the wild.
How to mitigate CVE-2023-5129,CVE-2023-4863
Install updates from vendor's website.
Sources
- https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html
- https://crbug.com/1479274
- https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_12.html
- https://chromium.googlesource.com/webm/libwebp/+/2af26267cdfcb63a88e5c74a85927a12d6ca1d76
- https://chromium.googlesource.com/webm/libwebp/+/902bc9190331343b2017211debcec8d2ab87e17a