Integer overflow in GNU C Library (glibc) - CVE-2020-6096
Published: May 24, 2020 / Updated: June 19, 2020
Vulnerability identifier: #VU28193
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-6096
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Affected software:
GNU C Library (glibc)
Gentoo Linux
Ubuntu
Fedora
cflinuxfs3
RecoverPoint for Virtual Machines
Netcool Operations Insight
IBM Cloud Transformation Advisor
libc6 (Ubuntu package)
glibc
sys-libs/glibc
GNU C Library (glibc)
Gentoo Linux
Ubuntu
Fedora
cflinuxfs3
RecoverPoint for Virtual Machines
Netcool Operations Insight
IBM Cloud Transformation Advisor
libc6 (Ubuntu package)
glibc
sys-libs/glibc
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the the ARMv7 memcpy() implementation of GNU glibc 2.30.9000. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-6096
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.