#VU12094 Double free memory error in libgd2


Published: 2018-04-23

Vulnerability identifier: #VU12094

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6362

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libgd2
Universal components / Libraries / Libraries used by multiple products

Vendor: GD Software

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.

Mitigation
Update to version 2.2.5.

Vulnerable software versions

libgd2: 2.1.0 - 2.2.4


External links
http://github.com/libgd/libgd/issues/381


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability