Denial of service in pngcheck
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-369 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
pngcheck Universal components / Libraries / Libraries used by multiple products |
| Vendor | libpng |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Division by zero
EUVDB-ID: #VU70431
Risk: Medium
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: N/A
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a division by zero issue when zlib-decoding interlaced PNGs with extra data beyond what is required for the declared image dimensions. A remote attacker can pass a specially crafted PNG file to the application and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionspngcheck: 3.0.0 - 3.0.2
External linkshttp://www.libpng.org/pub/png/apps/pngcheck.html#3.0.3
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.
