Learn about CVE-2017-6850, a vulnerability in JasPer versions before 2.0.13 that allows remote attackers to trigger a denial of service via a crafted image. Find mitigation steps and preventive measures here.
A crafted image can lead to a denial of service (NULL pointer dereference) in the jp2_cdef_destroy function of jp2_cod.c in JasPer versions prior to 2.0.13.
Understanding CVE-2017-6850
The vulnerability identified as CVE-2017-6850 affects JasPer versions before 2.0.13, allowing remote attackers to trigger a denial of service by exploiting a NULL pointer dereference in the jp2_cdef_destroy function.
What is CVE-2017-6850?
The jp2_cdef_destroy function in jp2_cod.c in JasPer versions prior to 2.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted image.
The Impact of CVE-2017-6850
This vulnerability can be exploited by attackers to crash systems or potentially execute arbitrary code by sending a specially crafted image to the vulnerable software.
Technical Details of CVE-2017-6850
Vulnerability Description
The vulnerability arises from improper handling of crafted images in the jp2_cdef_destroy function of jp2_cod.c in JasPer versions before 2.0.13.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specifically crafted image to the vulnerable software, triggering a NULL pointer dereference and leading to a denial of service condition.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates