CVE-2016-5773 Information

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Description

php_zip.c in the zip extension in PHP before 5.5.37 5.6.x before 5.6.23 and 7.x before 7.0.8 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 containing a ZipArchive object.

CVSS Vector

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

Reference

http://github.com/php/php-src/commit/f6aef68089221c5ea047d4a74224ee3deead99a6?w=1 http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html http://php.net/ChangeLog-5.php http://php.net/ChangeLog-7.php http://rhn.redhat.com/errata/RHSA-2016-2750.html http://www.debian.org/security/2016/dsa-3618 http://www.openwall.com/lists/oss-security/2016/06/23/4 http://www.securityfocus.com/bid/91397 https://bugs.php.net/bug.php?id=72434 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 https://support.apple.com/HT207170

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8