CVE-2015-7804

Description

Off-by-one error in the phar_parse_zipfile function in ext/phar/zip.c in PHP before 5.5.30 and 5.6.x before 5.6.14 allows remote attackers to cause a denial of service (uninitialized pointer dereference and application crash) by including the / filename in a .zip PHAR archive.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 24.98% Top 5%
Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory slackware.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory php.net Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT205637 vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00099.html 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=1ddf72180a52d247db88ea42a3e35f824a8fbda1
http://www.php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=70433 vendor advisory
http://www.openwall.com/lists/oss-security/2015/10/05/8 mailing list
http://www.ubuntu.com/usn/USN-2786-1 vendor advisory
https://security.gentoo.org/glsa/201606-10 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7804?
CVE-2015-7804 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7804?
To fix CVE-2015-7804, 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-2015-7804 being actively exploited in the wild?
It is possible that CVE-2015-7804 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~25% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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