CVE-2016-5773
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 9.26% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- php/php
- Source
- cve@mitre.org
References
- 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.phpPatch, Release Notes
- http://php.net/ChangeLog-7.phpPatch, Release Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3618
- http://www.openwall.com/lists/oss-security/2016/06/23/4Release Notes
- http://www.securityfocus.com/bid/91397
- https://bugs.php.net/bug.php?id=72434Exploit, Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://support.apple.com/HT207170
- 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.phpPatch, Release Notes
- http://php.net/ChangeLog-7.phpPatch, Release Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3618
- http://www.openwall.com/lists/oss-security/2016/06/23/4Release Notes
- http://www.securityfocus.com/bid/91397
- https://bugs.php.net/bug.php?id=72434Exploit, Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://support.apple.com/HT207170
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.