Denial of service in LibTIFF
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-7456 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
LibTIFF Universal components / Libraries / Libraries used by multiple products |
| Vendor | LibTIFF |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU10792
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-7456
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The vulnerability exists in the TIFFPrintDirectory function that is defined in the tif_print.c source code file due to NULL pointer dereference. A remote attacker can create a specially crafted TIFF file, trick the victim into opening it and cause the service to crash.
MitigationInstall update from vendor's website.
Vulnerable software versionsLibTIFF: 4.0.9
External linkshttp://github.com/xiaoqx/pocs/tree/master/libtiff
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.
