Buffer overflow in Evolution - CVE-2018-12422

 

Buffer overflow in Evolution - CVE-2018-12422

Published: June 20, 2018 / Updated: June 21, 2018


Vulnerability identifier: #VU13404
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2018-12422
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
Evolution

Detailed vulnerability description

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.


How to mitigate CVE-2018-12422

Update to version 3.29.3.

Sources