Memory corruption in UPX - CVE-2017-15056
Published: December 28, 2019
Vulnerability identifier: #VU23830
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2017-15056
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing ELF headers within the PackLinuxElf64::unpack() function in p_lx_elf.cpp. A remote attacker can create a specially crafted, pass it to the application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
UPX
Fedora
upx
Fedora
upx
How to mitigate CVE-2017-15056
Install updates from vendor's website.
UPX - update to 3.95
upx - addressed in versions 3.94-1.fc25, 3.94-1.fc26, 3.94-1.fc27
upx - addressed in versions 3.94-1.fc25, 3.94-1.fc26, 3.94-1.fc27