CVE-2017-9815 — MEDIUM (6.5)

Vulnerability Description

In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _TIFFmalloc in tif_unix.c) via a crafted file.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libtiff	Libtiff	4.0.7
Canonical	Ubuntu Linux	14.04

Related Weaknesses (CWE)

CWE-772

References

http://bugzilla.maptools.org/show_bug.cgi?id=2682Issue TrackingThird Party Advisory
http://somevulnsofadlab.blogspot.jp/2017/06/libtiffmemory-leak-in-tiffmalloc.htmThird Party Advisory
http://www.securityfocus.com/bid/99235Third Party AdvisoryVDB Entry
https://usn.ubuntu.com/3602-1/Third Party Advisory
http://bugzilla.maptools.org/show_bug.cgi?id=2682Issue TrackingThird Party Advisory
http://somevulnsofadlab.blogspot.jp/2017/06/libtiffmemory-leak-in-tiffmalloc.htmThird Party Advisory
http://www.securityfocus.com/bid/99235Third Party AdvisoryVDB Entry
https://usn.ubuntu.com/3602-1/Third Party Advisory

FAQ

What is CVE-2017-9815?

CVE-2017-9815 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in libtiff/tif_dirread.c mishandles a malloc operation, which allows attackers to cause a denial of service (memory leak within the function _...

How severe is CVE-2017-9815?

CVE-2017-9815 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9815?

Check the references section above for vendor advisories and patch information. Affected products include: Libtiff Libtiff, Canonical Ubuntu Linux.