LibTIFF CVE-2018-17795 Heap Based Buffer Overflow Vulnerability

Bugtraq ID:	105445
Class:	Boundary Condition Error
CVE:	CVE-2018-17795
Remote:	Yes
Local:	No
Published:	Oct 02 2018 12:00AM
Updated:	Oct 02 2018 12:00AM
Credit:	Cheng Wen
Vulnerable:	LibTIFF LibTIFF 4.0.9
Not Vulnerable:

LibTIFF CVE-2018-17795 Heap Based Buffer Overflow Vulnerability

LibTIFF is prone to a heap-based buffer-overflow vulnerability.

An attacker can exploit this issue to cause a denial-of-service condition. Due to the nature of this issue, code execution may be possible but this has not been confirmed.

LibTIFF 4.0.9 is vulnerable; other versions may also be affected.

LibTIFF CVE-2018-17795 Heap Based Buffer Overflow Vulnerability

The researcher who discovered this issue has created a proof-of-concept. Please see the references for more information.

LibTIFF CVE-2018-17795 Heap Based Buffer Overflow Vulnerability

Solution:
Currently, we are not aware of any vendor-supplied patches. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

LibTIFF CVE-2018-17795 Heap Based Buffer Overflow Vulnerability

References:

• LibTIFF Homepage (LibTIFF)
  
• Bug 1635091 CVE-2018-17795 libtiff: Heap-based buffer overflow in tiff2pdf.c (Redhat)
  
• Bug 2816 - heap-buffer-overflow problem in function t2p_write_pdf() in tiff2pdf (Maptools)
  
• CVE-2018-17795 (Redhat)