CVE-2019-13618 : Security Advisory and Response

GPAC before version 0.8.0 is affected by a heap-based buffer over-read vulnerability in the libgpac.a file. This can lead to a crash in the gf_m2ts_sync function in media_tools/mpegts.c.

Understanding CVE-2019-13618

This CVE record highlights a specific vulnerability in the GPAC software.

What is CVE-2019-13618?

CVE-2019-13618 is a vulnerability found in GPAC before version 0.8.0, specifically in the isomedia/isom_read.c file within libgpac.a. The issue allows for a heap-based buffer over-read, potentially leading to a crash in the gf_m2ts_sync function in media_tools/mpegts.c.

The Impact of CVE-2019-13618

The vulnerability could be exploited to cause a crash, potentially leading to denial of service or other security implications.

Technical Details of CVE-2019-13618

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in GPAC before version 0.8.0 arises from a heap-based buffer over-read in the isomedia/isom_read.c file within libgpac.a. This flaw manifests as a crash in the gf_m2ts_sync function in media_tools/mpegts.c.

Affected Systems and Versions

Product: GPAC
Vendor: N/A
Versions affected: Prior to 0.8.0

Exploitation Mechanism

The vulnerability can be exploited by triggering the heap-based buffer over-read, leading to a crash in the gf_m2ts_sync function.

Mitigation and Prevention

Protecting systems from CVE-2019-13618 requires specific actions.

Immediate Steps to Take

Update GPAC to version 0.8.0 or later to mitigate the vulnerability.
Monitor vendor security advisories for patches or workarounds.

Long-Term Security Practices

Regularly update software to the latest versions to address known vulnerabilities.
Implement secure coding practices to prevent buffer over-read vulnerabilities.

Patching and Updates

Apply patches provided by the vendor promptly to fix the vulnerability and enhance system security.