Vulnerability Monitor

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CVE-2016-4344

Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.

Published

2016-05-22T01:59:18.573

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	php	php	< 7.0.4	Yes

References

http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/04/28/2 Mailing List, Third Party Advisory ([email protected])
https://bugs.php.net/bug.php?id=71637 Exploit, Issue Tracking, Patch, Vendor Advisory ([email protected])
http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/04/28/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.php.net/bug.php?id=71637 Exploit, Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)