A vulnerability classified as critical has been found in HHVM up to 4.23.0. Affected is some unknown functionality of the component Number Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code execution. This issue affects HHVM versions prior to 3.30.10, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.18.2, and versions 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0.

The weakness was published 10/02/2019 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2019-11929 since 05/13/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

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Productinfo

Name

• HHVM

Version

• 3.30.0
• 3.30.1
• 3.30.2
• 3.30.3
• 3.30.4
• 3.30.5
• 3.30.6
• 3.30.7
• 3.30.8
• 3.30.9
• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.8.0
• 4.8.1
• 4.8.2
• 4.8.3
• 4.8.4
• 4.8.5
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.18.0
• 4.18.1
• 4.18.2
• 4.19
• 4.19.0
• 4.19.1
• 4.20
• 4.20.0
• 4.20.1
• 4.20.2
• 4.21
• 4.21.0
• 4.22
• 4.22.0
• 4.23.0

License

• open-source

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• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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