Buffer overflow in Apache Traffic Server - CVE-2021-43082
Published: December 7, 2021
Vulnerability identifier: #VU58637
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43082
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 in the stats-over-http plugin. A remote attacker can send specially crafted traffic to he server, 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
Apache Traffic Server
openEuler
trafficserver
trafficserver-debuginfo
trafficserver-devel
trafficserver-debugsource
trafficserver-perl
openEuler
trafficserver
trafficserver-debuginfo
trafficserver-devel
trafficserver-debugsource
trafficserver-perl
How to mitigate CVE-2021-43082
Install updates from vendor's website.
Apache Traffic Server - addressed in versions 8.1.3, 9.1.1
trafficserver - update to 9.1.0-4
trafficserver-debuginfo - update to 9.1.0-4
trafficserver-devel - update to 9.1.0-4
trafficserver-debugsource - update to 9.1.0-4
trafficserver-perl - update to 9.1.0-4
trafficserver - update to 9.1.0-4
trafficserver-debuginfo - update to 9.1.0-4
trafficserver-devel - update to 9.1.0-4
trafficserver-debugsource - update to 9.1.0-4
trafficserver-perl - update to 9.1.0-4