National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-20847 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3.0 legend)
Impact Score: 5.9
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/108921
https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949 Patch Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/431 Third Party Advisory
https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:openjpeg:openjpeg:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.3.0


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20847
NVD Published Date:
06/26/2019
NVD Last Modified:
06/28/2019