CVE-2016-5399

moderate-risk
Published 2017-04-21

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.

Do I need to act?

!
13.9% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
40155
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (1)

Php

Affected Vendors

Php

References (30)

Exploit http://packetstormsecurity.com/files/137998/PHP-7.0.8-5.6.23-5.5.37-bzread-OOB-W...
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
Third Party Advisory http://www.debian.org/security/2016/dsa-3631
Exploit http://www.openwall.com/lists/oss-security/2016/07/21/1
Third Party Advisory http://www.securityfocus.com/archive/1/538966/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/92051
Third Party Advisory http://www.securitytracker.com/id/1036430
Exploit https://bugs.php.net/bug.php?id=72613
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1358395
Third Party Advisory https://security.netapp.com/advisory/ntap-20180112-0001/
Exploit https://www.exploit-db.com/exploits/40155/
Exploit http://packetstormsecurity.com/files/137998/PHP-7.0.8-5.6.23-5.5.37-bzread-OOB-W...
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
and 10 more references
48
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal