High severity · published Apr 21, 2017
CVE-2016-5399
The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (out-of-bounds write) or…
7.8
CVSS
9.8%
EPSS
No
On KEV
Description
The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted bz2 archive.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.8% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
through 5.5.37; 5.6.0 before 5.6.24; 7.0.0 before 7.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5399
Exploit
http://packetstormsecurity.com/files/137998/PHP-7.0.8-5.6.23-5.5.37-bzread-OOB-Write.html
Release Notes
http://php.net/ChangeLog-5.php
Release Notes
http://php.net/ChangeLog-7.php
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2598.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Exploit
http://seclists.org/fulldisclosure/2016/Jul/72
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