#VU49491 Integer overflow in apt (Debian package) - CVE-2020-27350
Published: December 10, 2020 / Updated: January 12, 2021
Vulnerability identifier: #VU49491
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-27350
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
apt (Debian package)
apt (Debian package)
Software vendor:
Debian
Debian
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow while parsing .deb packages in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. A local user can pass specially crafted file to the application, trigger integer overflow and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.