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CVE-2019-3557

UNKNOWN
Published 2019-01-15T22:00:00
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No CVSS data available

Description

The implementations of streams for bz2 and php://output improperly implemented their readImpl functions, returning -1 consistently. This behavior caused some stream functions, such as stream_get_line, to trigger an out-of-bounds read when operating on such malformed streams. The implementations were updated to return valid values consistently. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Facebook

HHVM

Affected Versions:

3.30.1 3.30.0 3.27.5 unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-x6p7-p3gg-q926

Advisory Details

The implementations of streams for bz2 and php://output improperly implemented their readImpl functions, returning -1 consistently. This behavior caused some stream functions, such as stream_get_line, to trigger an out-of-bounds read when operating on such malformed streams. The implementations were updated to return valid values consistently. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-3557
WEB https://github.com/facebook/hhvm/commit/6e4dd9ec3f14b48170fc45dc9d13a3261765f994
WEB https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html
https://github.com/facebook/hhvm/commit/6e4dd9ec3f14b48170fc45dc9d13a3261765f994
Published: 2019-01-15T22:00:00
Last Modified: 2024-08-04T19:12:09.545Z
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