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CVE-2016-4343

Public on 2016-05-22
Modified on 2016-06-15
Description

The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

Severity
Medium
See what this means
CVSS v3 Base Score
8.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 php55 2016-06-02 17:47 ALAS-2016-707

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P
Amazon Linux CVSSv3 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H