Information Disclosure Vulnerability in HHVM by Facebook
CVE-2020-1918

7.5HIGH

Key Information:

Vendor

Facebook

Status
Hhvm
Vendor
CVE Published:
10 March 2021

What is CVE-2020-1918?

The vulnerability arises from improper restrictions in in-memory file operations, specifically related to negative seeking when utilizing fopen on data URIs. This flaw enables unauthorized access to memory areas before the defined in-memory buffer, potentially exposing sensitive data. Specific versions of HHVM are susceptible, highlighting the importance of updating to secure versions to mitigate this risk.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

HHVM 4.98.0

HHVM 4.97.0

HHVM 4.96.0

References

https://hhvm.com/blog/2021/02/25/security-update.html
x_refsource_MISC
https://github.com/facebook/hhvm/commit/08193b7f0cd391025...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.