Facebook HHVM up to 4.62.0 Type Code unserialize uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Facebook HHVM up to 4.62.0. Affected by this vulnerability is the function unserialize of the component Type Code Handler. The manipulation results in uninitialized pointer. This vulnerability was named CVE-2020-1899. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Facebook HHVM up to 4.62.0 (Social Network Software). Affected is the function unserialize of the component Type Code Handler. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. CWE is classifying the issue as CWE-824. The product accesses or uses a pointer that has not been initialized. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 03/11/2021. The advisory is available at hhvm.com. This vulnerability is traded as CVE-2020-1899. Technical details are known, but there is no available exploit.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Uninitialized pointer
CWE: CWE-824 / CWE-908
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/02/2019 🔍
03/11/2021 +465 days 🔍
03/11/2021 +0 days 🔍
03/31/2021 +20 days 🔍

Sourcesinfo

Product: github.com

Advisory: hhvm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-1899 (🔍)
GCVE (CVE): GCVE-0-2020-1899
GCVE (VulDB): GCVE-100-171138

Entryinfo

Created: 03/11/2021 14:44
Updated: 03/31/2021 16:40
Changes: 03/11/2021 14:44 (40), 03/31/2021 16:36 (6), 03/31/2021 16:40 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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