Insufficient Boundary Check in HHVM JPEG Processing by Facebook
CVE-2019-11925

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
Hhvm
Vendor
CVE Published:
6 September 2019

What is CVE-2019-11925?

A vulnerability in the HHVM product affects the processing of JPEG images, specifically within the APP12 block marker. This flaw allows attackers to create maliciously crafted JPEG files that can facilitate access to out-of-bounds memory, potentially leading to unauthorized access or system compromise. This issue impacts various versions of HHVM, particularly those before 3.30.9 and several ranges from 4.0.0 to 4.20.1, and it is crucial for users of these versions to apply security updates to mitigate risks.

Affected Version(s)

HHVM 4.21.0

HHVM 4.20.2

HHVM 4.20.0

References

https://github.com/facebook/hhvm/commit/f1cd34e63c2a0d970...
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https://hhvm.com/blog/2019/09/03/security-update.html
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https://www.facebook.com/security/advisories/cve-2019-11925
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.