Integer overflow in Google Android - CVE-2020-0432

 

Integer overflow in Google Android - CVE-2020-0432

Published: September 17, 2020 / Updated: September 24, 2020


Vulnerability identifier: #VU47041
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-0432
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local authenticated user to execute arbitrary code.

In skb_to_mamac of networking.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-143560807


Affected software

Google Android
openEuler
kernel
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo
bpftool
bpftool-debuginfo

How to mitigate CVE-2020-0432

Install update from vendor's website.

kernel - update to 4.19.90-2010.2.0.0046
kernel-debuginfo - update to 4.19.90-2010.2.0.0046
kernel-debugsource - update to 4.19.90-2010.2.0.0046
kernel-devel - update to 4.19.90-2010.2.0.0046
kernel-source - update to 4.19.90-2010.2.0.0046
kernel-tools - update to 4.19.90-2010.2.0.0046
kernel-tools-debuginfo - update to 4.19.90-2010.2.0.0046
kernel-tools-devel - update to 4.19.90-2010.2.0.0046
perf - update to 4.19.90-2010.2.0.0046
perf-debuginfo - update to 4.19.90-2010.2.0.0046
python2-perf - update to 4.19.90-2010.2.0.0046
python2-perf-debuginfo - update to 4.19.90-2010.2.0.0046
python3-perf - update to 4.19.90-2010.2.0.0046
python3-perf-debuginfo - update to 4.19.90-2010.2.0.0046
bpftool - update to 4.19.90-2010.2.0.0046
bpftool-debuginfo - update to 4.19.90-2010.2.0.0046

External References

Related Security Bulletins