Denial of service in LibTIFF
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-10779 |
| CWE-ID | CWE-125 |
| Exploitation vector | Local |
| 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) Heap-based buffer over-read
EUVDB-ID: #VU12422
Risk: Low
CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:U]
CVE-ID: CVE-2018-10779
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the TIFFWriteScanline function in the tif_write.csource code file due to insufficient validation of user-supplied input. A local attacker can use the .bmp2tiff command to execute a specially crafted file, trigger heap-based buffer over-read and cause the service to crash.
Mitigation
Install update from vendor's website.
Vulnerable software versionsLibTIFF: 3.8.2
External linkshttp://bugzilla.maptools.org/show_bug.cgi?id=2788
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
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.
