CVE-2023-5341 What is a Heap use-after-free Flaw in Imagemagick
A heap use-after-free flaw is a type of vulnerability that occurs when an application fails to properly manage memory allocations and deallocations, leading to memory corruption. In the context of ImageMagick, this vulnerability was discovered in the ReplaceXmpValue() function of MagickCore/profile.c[1].
An attacker could trick a user into opening a specially crafted file to convert, which would trigger a heap-use-after-free write error, allowing an application to crash and resulting in a denial of service[1][2].
Key aspects of this vulnerability include:
- **Affected Component**: ImageMagick's ReplaceXmpValue() function in MagickCore/profile.c[1].
- **Impact**: The vulnerability allows attackers to potentially gain unauthorized access to sensitive information and resources[2].
- **Severity**: The severity of this vulnerability has not been fully determined, but it is considered medium severity by NVD and Red Hat[2].
- **Affected Versions**: ImageMagick versions are not yet specified[2].
To mitigate the risk associated with this vulnerability, it is recommended to keep your systems updated with the latest security patches and software updates, use a vulnerability management and threat intelligence platform to monitor and address potential vulnerabilities, and stay informed about the latest security advisories and best practices for securing your systems.
Citations:
[0] https://en.cyberhat.online/forum/daily-cve-english/security-vulnerabilities-released-19-november-2023
[1] https://github.com/advisories/GHSA-mcff-wj2q-69j3
[2] https://security.snyk.io/vuln/SNYK-RHEL6-IMAGEMAGICK-5702167
[3] https://nvd.nist.gov/vuln/detail/CVE-2022-1114
[4] https://github.com/advisories/GHSA-rhcm-mpjw-m6hf