Buffer overflow in Evolution - CVE-2018-12422
Published: June 20, 2018 / Updated: June 21, 2018
Vulnerability identifier: #VU13404
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-2018-12422
CWE-ID: CWE-120
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 in the strcat function of GNOME Evolution due to boundary error when improper processing of long query strings by the strcat function, as defined in the addressbook/backends/ldap/e-book-backend-ldap.c source code file in the Evolution-Data-Server package. A remote unauthenticated attacker can send a long query string, trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Evolution
Fedora
evolution
evolution-data-server
evolution-ews
Fedora
evolution
evolution-data-server
evolution-ews
How to mitigate CVE-2018-12422
Update to version 3.29.3.
Evolution - update to 3.29.3
evolution - update to 3.28.4-1.fc28
evolution-data-server - update to 3.28.4-1.fc28
evolution-ews - update to 3.28.4-1.fc28
evolution - update to 3.28.4-1.fc28
evolution-data-server - update to 3.28.4-1.fc28
evolution-ews - update to 3.28.4-1.fc28