Critical severity · published Aug 7, 2016
CVE-2016-5114
sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain…
9.1
CVSS
4.5%
EPSS
No
On KEV
Description
sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read and buffer overflow) via a long string, as demonstrated by a long URI in a configuration with custom REQUEST_URI logging.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.5% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.5.30; 5.6.0; 5.6.0; 5.6.0; 5.6.0; 5.6.0; +22 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5114
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5114
github.com
http://github.com/php/php-src/commit/2721a0148649e07ed74468f097a28899741eb58f?w=1
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
Release Notes
http://www.openwall.com/lists/oss-security/2016/05/29/1
Patch
http://www.search-lab.hu/about-us/news/111-some-unusual-vulnerabilities-in-the-php-engine
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