HarfBuzz 4.3.0 hb-ot-shape-fallback.cc denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in HarfBuzz 4.3.0 and classified as problematic. This affects an unknown part of the file hb-ot-shape-fallback.cc. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2022-33068. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in HarfBuzz 4.3.0. Affected by this issue is an unknown code of the file hb-ot-shape-fallback.cc. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a Denial of Service (DoS) via unspecified vectors.

The weakness was released 06/24/2022 as 3557. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-33068 since 06/13/2022. There are known technical details, but no exploit is available.

Applying the patch 62e803b36173fd096d7ad460dd1d1db9be542593 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 62e803b36173fd096d7ad460dd1d1db9be542593

Timelineinfo

06/13/2022 🔍
06/24/2022 +11 days 🔍
06/24/2022 +0 days 🔍
06/24/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: 3557
Status: Confirmed

CVE: CVE-2022-33068 (🔍)
GCVE (CVE): GCVE-0-2022-33068
GCVE (VulDB): GCVE-100-202556

Entryinfo

Created: 06/24/2022 06:46
Changes: 06/24/2022 06:46 (41)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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