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CVE-2016-5771

Public on 2016-08-01
Modified on 2016-08-17
Description

spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.

Severity
Medium
See what this means
CVSS v3 Base Score
5.6
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 php55 2016-08-01 13:30 ALAS-2016-728
Amazon Linux 1 php56 2016-08-01 13:30 ALAS-2016-728

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
Amazon Linux CVSSv3 5.6 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H