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CVE-2018-20847

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Date: June 26, 2019

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.

Language: C

Severity Score

8.8

Related Resources (10)

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20847

Url: https://access.redhat.com/security/cve/CVE-2018-20847

Url: http://www.securityfocus.com/bid/108921

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20847

Url: https://github.com/uclouvain/openjpeg/issues/431

Url: https://lists.debian.org/debian-lts-announce/2019/07/msg00010.html

Url: https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845

Url: https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949

Url: https://security-tracker.debian.org/tracker/CVE-2018-20847

Url: https://www.mend.io/vulnerability-database/CVE-2018-20847

Severity Score

8.8

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:	8.8
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

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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