Integer overflow in UPX - CVE-2019-20805

 

Integer overflow in UPX - CVE-2019-20805

Published: June 1, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30279
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-20805
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: UPX
Affected software:
UPX

Detailed vulnerability description

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.


How to mitigate CVE-2019-20805

Install update from vendor's website.

Sources