8.8
HIGH
CVE-2018-20847
OpenJPEG Integer Overflow Vulnerability
Description

An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.

INFO

Published Date :

June 26, 2019, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 4:02 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2018-20847 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Uclouvain openjpeg
1 Debian debian_linux
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-20847 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-20847 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/108921
    Added Reference https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949
    Added Reference https://github.com/uclouvain/openjpeg/issues/431
    Added Reference https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845
    Added Reference https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 27, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/108921 No Types Assigned http://www.securityfocus.com/bid/108921 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949 Patch, Third Party Advisory https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949 Patch
    Changed Reference Type https://github.com/uclouvain/openjpeg/issues/431 Third Party Advisory https://github.com/uclouvain/openjpeg/issues/431 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845 Patch, Third Party Advisory https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845 Patch
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html Issue Tracking, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Sep. 09, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:openjpeg:openjpeg:*:*:*:*:*:*:*:* versions from (including) 2.3.0 OR *cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* versions from (including) 2.3.0
  • CVE Modified by [email protected]

    Jul. 10, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 28, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/108921 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 27, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949 No Types Assigned https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949 Patch, Third Party Advisory
    Changed Reference Type https://github.com/uclouvain/openjpeg/issues/431 No Types Assigned https://github.com/uclouvain/openjpeg/issues/431 Third Party Advisory
    Changed Reference Type https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845 No Types Assigned https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845 Patch, Third Party Advisory
    Added CWE CWE-190
    Added CPE Configuration OR *cpe:2.3:a:openjpeg:openjpeg:*:*:*:*:*:*:*:* versions up to (including) 2.3.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-20847 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-20847 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.35 }} 0.54%

score

0.85851

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability