Upstream information

CVE-2016-4344 at MITRE

Description

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.

SUSE information

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.48
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
CVSS v3 Scores
  National Vulnerability Database
Base Score 9.8
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High

Note from the SUSE Security Team

This problem only affects php 7, older versions of php are not affected.

SUSE Bugzilla entries: 977993 [RESOLVED / FIXED], 977994 [RESOLVED / FIXED], 977995 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.