CVE-2017-9935

Public Exploit

Description

In LibTIFF 4.0.8, there is a heap-based buffer overflow in the t2p_write_pdf function in tools/tiff2pdf.c. This heap overflow could lead to different damages. For example, a crafted TIFF document can lead to an out-of-bounds read in TIFFCleanup, an invalid free in TIFFClose or t2p_free, memory corruption in t2p_readwrite_pdf_image, or a double free in t2p_free. Given these possibilities, it probably could cause arbitrary code execution.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.92% Top 30%
Vendor Advisory ubuntu.com Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3606-1/ third party advisory vendor advisory
http://bugzilla.maptools.org/show_bug.cgi?id=2704 issue tracking patch exploit third party advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00008.html third party advisory mailing list
http://www.securityfocus.com/bid/99296 vdb entry third party advisory
https://www.debian.org/security/2018/dsa-4100 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-9935?
CVE-2017-9935 has been scored as a high severity vulnerability.
How to fix CVE-2017-9935?
To fix CVE-2017-9935, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9935 being actively exploited in the wild?
It is possible that CVE-2017-9935 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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