Out-of-bounds read in icu - CVE-2016-6293
Published: May 30, 2018
Vulnerability identifier: #VU13053
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6293
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to the uloc_acceptLanguageFromHTTP function in common/uloc.cpp for C/C++ does not ensure that there is a '' character at the end of a certain temporary array. A remote unauthenticated attacker can supply a call with a long httpAcceptLanguage argument, trigger out-of-bounds read and cause the service to crash.
Affected software
icu
phpmyadmin (Alpine package)
openSUSE Leap
icu
Fedora
phpmyadmin (Alpine package)
openSUSE Leap
icu
Fedora
How to mitigate CVE-2016-6293
Update to version 57.1.
phpmyadmin (Alpine package) - update to 4.6.5.2-r0
icu - addressed in versions 56.1-5.fc24, 57.1-2.fc25
icu - addressed in versions 56.1-5.fc24, 57.1-2.fc25