PT-2019-12561 · Facebook · Hhvm

Published 2019-09-06 · Updated 2019-10-09 · CVE-2019-11925

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions HHVM versions prior to 3.30.9 HHVM versions 4.0.0 through 4.8.3 HHVM versions 4.9.0 through 4.15.2 HHVM versions 4.16.0 through 4.16.3 HHVM versions 4.17.0 through 4.17.2 HHVM versions 4.18.0 through 4.18.1 HHVM version 4.19.0 HHVM versions 4.20.0 through 4.20.1

Description The issue is caused by insufficient boundary checks when processing the JPEG APP12 block marker in the GD extension, allowing access to out-of-bounds memory via a maliciously constructed invalid JPEG input.

Recommendations For HHVM versions prior to 3.30.9, update to version 3.30.9 or later. For HHVM versions 4.0.0 through 4.8.3, update to version 4.8.4 or later. For HHVM versions 4.9.0 through 4.15.2, update to version 4.15.3 or later. For HHVM versions 4.16.0 through 4.16.3, update to version 4.16.4 or later. For HHVM versions 4.17.0 through 4.17.2, update to version 4.17.3 or later. For HHVM versions 4.18.0 through 4.18.1, update to version 4.18.2 or later. For HHVM version 4.19.0, update to version 4.19.1 or later. For HHVM versions 4.20.0 through 4.20.1, update to version 4.20.2 or later.

Fix

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-119

Related Identifiers

CVE-2019-11925

Affected Products

Hhvm

References · 9

• https://github.com/facebook/hhvm/commit/f1cd34e63c2a0d9702be3d41462db7bfd0ae7da3 · Patch
• https://cve.org/CVERecord?id=CVE-2019-11925 · Security Note
• https://facebook.com/security/advisories/cve-2019-11925 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-11925 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-11925 · Security Note
• https://osv.dev/vulnerability/CVE-2019-11925 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-11925 · Vendor Advisory
• https://hhvm.com/blog/2019/09/03/security-update.html · Note
• https://t.me/thehackernews/456 · Telegram Post