Facebook HHVM 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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6.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Facebook HHVM. This vulnerability affects unknown code. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-24036. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Facebook HHVM (Social Network Software) (unknown version). Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 07/23/2021. The advisory is available at facebook.com. This vulnerability is handled as CVE-2021-24036. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at hhvm.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: hhvm.com
Patch: github.com

Timelineinfo

01/13/2021 🔍
07/23/2021 +190 days 🔍
07/23/2021 +0 days 🔍
07/28/2021 +5 days 🔍

Sourcesinfo

Advisory: facebook.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-24036 (🔍)
GCVE (CVE): GCVE-0-2021-24036
GCVE (VulDB): GCVE-100-179534

Entryinfo

Created: 07/23/2021 09:16
Updated: 07/28/2021 08:14
Changes: 07/23/2021 09:16 (38), 07/28/2021 08:14 (3)
Complete: 🔍
Cache ID: 216::103

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