Buffer overflow in Gonitro Nitro Pro

CVE-2020-6116

An arbitrary code execution vulnerability exists in the rendering functionality of Nitro Software, Inc.’s Nitro Pro 13.13.2.242. When drawing the contents of a page using colors from an indexed colorspace, the application can miscalculate the size of a buffer when allocating space for its colors. When using this allocated buffer, the application can write outside its bounds and cause memory corruption which can lead to code execution. A specially crafted document must be loaded by a victim in order to trigger this vulnerability.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.284 (98.1th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6116: held from 0.284 to 0.284.

EPSS over last 30 days · oldest: 0.284 · newest: 0.284 · change: 0.000

Affected products

  • Gonitro Nitro Pro — versions 13.13.2.242, 13.16.2.300
  • Nitro Pro — versions Nitro Pro 13.13.2.242 ,Nitro Pro 13.16.2.300

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-6116?
CVE-2020-6116 is a high-severity vulnerability in Gonitro Nitro Pro, classified under Integer Overflow to Buffer Overflow. CVSS score: 7.8/10. Published 2020-09-17.
How severe is CVE-2020-6116?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-6116 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.