CVE-2019-20053: Buffer Overflow
An invalid memory address dereference was discovered in the canUnpack function in pmach.cpp in UPX 3.95 via a crafted Mach-O file.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-20053?
CVE-2019-20053 is a vulnerability in the canUnpack function in UPX 3.95, which allows an attacker to cause a denial of service or possibly execute arbitrary code via a crafted Mach-O file.
Which software versions are affected by CVE-2019-20053?
CVE-2019-20053 affects UPX 3.95 and Opensuse Backports sle-15-sp1 and openSUSE Leap 15.1.
What is the severity of CVE-2019-20053?
The severity of CVE-2019-20053 is medium, with a severity value of 5.5.
How can an attacker exploit CVE-2019-20053?
An attacker can exploit CVE-2019-20053 by sending a crafted Mach-O file to the vulnerable system, causing a denial of service or potentially executing arbitrary code.
Are there any available fixes for CVE-2019-20053?
Yes, fixes for CVE-2019-20053 are available. It is recommended to update UPX to a version that includes the fix.