OpenJPEG up to 2.3.1 libopenjp2.so opj_t1_clbl_decode_processor out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenJPEG up to 2.3.1 and classified as critical. The affected element is the function opj_t1_clbl_decode_processor of the file libopenjp2.so. The manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2020-6851. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in OpenJPEG up to 2.3.1 (Image Processing Software). Affected is the function opj_t1_clbl_decode_processor of the file libopenjp2.so. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in libopenjp2.so.

The weakness was disclosed 01/13/2020. This vulnerability is traded as CVE-2020-6851 since 01/13/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236752 (Alibaba Cloud Linux 3 : 0096: openjpeg2 (ALINUX3-SA-2022:0096)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (236752). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236752
Nessus Name: Alibaba Cloud Linux 3 : 0096: openjpeg2 (ALINUX3-SA-2022:0096)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/13/2020 🔍
01/13/2020 +0 days 🔍
01/13/2020 +0 days 🔍
05/15/2025 +1949 days 🔍

Sourcesinfo

Advisory: RHSA-2020:0262
Status: Not defined

CVE: CVE-2020-6851 (🔍)
GCVE (CVE): GCVE-0-2020-6851
GCVE (VulDB): GCVE-100-148572

Entryinfo

Created: 01/13/2020 13:28
Updated: 05/15/2025 17:52
Changes: 01/13/2020 13:28 (35), 01/13/2020 13:33 (18), 03/20/2024 18:17 (18), 05/15/2025 17:52 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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