Double free memory error in libgd2 - CVE-2017-6362

 

Double free memory error in libgd2 - CVE-2017-6362

Published: April 23, 2018


Vulnerability identifier: #VU12094
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6362
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GD Software
Affected software:
libgd2

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to double free memory error in the gdImagePngPtr function. A remote attacker can submit vectors related to a palette with no colors and cause the service to crash.

How to mitigate CVE-2017-6362

Update to version 2.2.5.

Sources