Heap-based buffer overflow in Cloudinary Free Lossless Image Format (FLIF)

1) Heap-based buffer overflow

EUVDB-ID: #VU19552

Risk: Critical

CVSSv4.0: 8.1 [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:Red]

CVE-ID: CVE-2019-14373

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the "image_save_png" in "image/image-png.cpp". A remote attacker can use a crafted flif file to trigger heap-based buffer over-read in libpng and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Free Lossless Image Format (FLIF): 0.1 - 0.3

CPE2.3

• cpe:2.3:a:cloudinary:free_lossless_image_format_flif:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:cloudinary:free_lossless_image_format_flif:0.2:*:*:*:*:*:*:*
• cpe:2.3:a:cloudinary:free_lossless_image_format_flif:0.2.2:*:*:*:*:*:*:*

External links

https://github.com/FLIF-hub/FLIF/issues/541

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.