// For flags

CVE-2020-6851

openjpeg: Heap-based buffer overflow in opj_t1_clbl_decode_processor()

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.

OpenJPEG hasta la versión 2.3.1 tiene un desbordamiento de búfer basado en almacenamiento dinámico en opj_t1_clbl_decode_processor en openjp2 / t1.c debido a la falta de validación de opj_j2k_update_image_dimensions.

A heap-based buffer overflow flaw was found in openjpeg in the opj_t1_clbl_decode_processor in libopenjp2.so. Affecting versions through 2.3.1, the highest threat from this vulnerability is to file confidentiality and integrity as well as system availability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-13 CVE Reserved
  • 2020-01-13 CVE Published
  • 2024-05-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-122: Heap-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Uclouvain
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Openjpeg
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<= 2.3.1
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-
Affected
Fedoraproject
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Fedora
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30
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-
Affected
Fedoraproject
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Fedora
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31
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-
Affected
Debian
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Debian Linux
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8.0
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-
Affected
Debian
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Debian Linux
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9.0
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-
Affected
Debian
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Debian Linux
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10.0
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-
Affected
Redhat
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Enterprise Linux
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8.0
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
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-
Affected
Redhat
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Enterprise Linux Eus
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7.7
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-
Affected
Redhat
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Enterprise Linux Eus
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8.1
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Affected
Redhat
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Enterprise Linux Eus
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8.2
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Affected
Redhat
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Enterprise Linux Eus
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8.4
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Affected
Redhat
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Enterprise Linux Server
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7.0
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Affected
Redhat
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Enterprise Linux Server Aus
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7.7
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Affected
Redhat
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Enterprise Linux Server Aus
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8.2
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Affected
Redhat
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Enterprise Linux Server Aus
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8.4
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Affected
Redhat
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Enterprise Linux Server Tus
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7.7
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Affected
Redhat
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Enterprise Linux Server Tus
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8.2
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Affected
Redhat
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Enterprise Linux Server Tus
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8.4
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Affected
Redhat
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Enterprise Linux Workstation
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7.0
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Affected
Oracle
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Georaster
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18c
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Affected
Oracle
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Outside In Technology
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8.5.4
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Affected
Oracle
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Outside In Technology
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8.5.5
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-
Affected