Denial of Service Vulnerability in LibTIFF by EcoGraphics
CVE-2017-10688

7.5HIGH

Key Information:

Vendor

Libtiff

Status
Libtiff
Vendor
CVE Published:
29 June 2017

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2017-10688?

The vulnerability exists in LibTIFF version 4.0.8 within the TIFFWriteDirectoryTagCheckedLong8Array function located in tif_dirwrite.c. A specially crafted input can trigger an assertion abort, which results in a remote denial of service attack. This could potentially lead to service disruptions for applications relying on LibTIFF for handling TIFF files.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2017-10688 - Proof of Concept

References

http://www.securityfocus.com/bid/99359
vdb-entryx_refsource_BID
https://www.exploit-db.com/exploits/42299/
exploitx_refsource_EXPLOIT-DB
https://usn.ubuntu.com/3602-1/
vendor-advisoryx_refsource_UBUNTU

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.