Critical severity · published Aug 7, 2016
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,…
9.8
CVSS
9.3%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.3% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.5.36; 5.6.0; 5.6.0; 5.6.0; 5.6.0; 5.6.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5773
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5773
github.com
http://github.com/php/php-src/commit/f6aef68089221c5ea047d4a74224ee3deead99a6?w=1
lists.apple.com
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
Patch
http://php.net/ChangeLog-5.php
Patch
http://php.net/ChangeLog-7.php
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2750.html
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