Denial of service in MiniUPnP ngiflib

Published: 2019-11-18 | Updated: 2019-11-18
Severity Medium
Patch available NO
Number of vulnerabilities 1
CVE ID CVE-2019-19011
CWE ID CWE-476
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software ngiflib Subscribe
Vendor miniupnpd

Security Advisory

This security advisory describes one medium risk vulnerability.

1) NULL pointer dereference

Severity: Medium

CVSSv3: 6.2 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C] [PCI]

CVE-ID: CVE-2019-19011

CWE-ID: CWE-476 - NULL Pointer Dereference

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in GifIndexToTrueColor in "ngiflib.c". A remote attacker can trigger denial of service conditions via a file that lacks a palette.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

ngiflib: 0.4

CPE External links

https://github.com/miniupnp/ngiflib/issues/16

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. However, proof of concept for this vulnerability is available.