CVE-2015-7803

Description

The phar_get_entry_data function in ext/phar/util.c in PHP before 5.5.30 and 5.6.x before 5.6.14 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a .phar file with a crafted TAR archive entry in which the Link indicator references a file that does not exist.

6.8

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 25.61% Top 5%

Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory slackware.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory php.net Vendor Advisory apple.com

Affected: n/a n/a

References

Link	Tags
https://support.apple.com/HT205637	vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00099.html	vendor advisory
https://bugs.php.net/bug.php?id=69720	vendor advisory
http://www.debian.org/security/2015/dsa-3380	vendor advisory
http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html	vendor advisory
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.461720	vendor advisory
http://www.securityfocus.com/bid/76959	vdb entry
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d698f0ae51f67c9cce870b09c59df3d6ba959244
http://www.php.net/ChangeLog-5.php
http://www.openwall.com/lists/oss-security/2015/10/05/8	mailing list
http://lists.opensuse.org/opensuse-updates/2016-02/msg00037.html	vendor advisory
http://www.ubuntu.com/usn/USN-2786-1	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html	vendor advisory
https://security.gentoo.org/glsa/201606-10	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7803?: CVE-2015-7803 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7803?: To fix CVE-2015-7803, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7803 being actively exploited in the wild?: It is possible that CVE-2015-7803 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~26% probability that this vulnerability will be exploited by malicious actors in the next 30 days.