gocr up to 0.53-20200802 pgm2asc.c context_correction use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in gocr up to 0.53-20200802. This affects the function context_correction of the file pgm2asc.c. The manipulation results in use after free. This vulnerability is cataloged as CVE-2021-33480. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in gocr up to 0.53-20200802. Affected is the function context_correction of the file pgm2asc.c. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 11/17/2021. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2021-33480 since 05/20/2021. There are known technical details, but no exploit is available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/20/2021 🔍
11/17/2021 +181 days 🔍
11/17/2021 +0 days 🔍
11/21/2021 +4 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2021-33480 (🔍)
GCVE (CVE): GCVE-0-2021-33480
GCVE (VulDB): GCVE-100-186804

Entryinfo

Created: 11/17/2021 21:44
Updated: 11/21/2021 07:04
Changes: 11/17/2021 21:44 (37), 11/21/2021 06:50 (1), 11/21/2021 07:04 (17)
Complete: 🔍
Cache ID: 216::103

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