CVE-2015-4643

Public Exploit

Description

Integer overflow in the ftp_genlist function in ext/ftp/ftp.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 allows remote FTP servers to execute arbitrary code via a long reply to a LIST command, leading to a heap-based buffer overflow. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-4022.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 10.19% Top 10%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory php.net Vendor Advisory php.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2015-1187.html third party advisory vendor advisory
https://bugs.php.net/bug.php?id=69545 issue tracking exploit vendor advisory
http://www.securitytracker.com/id/1032709 vdb entry third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1186.html third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3344 third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://openwall.com/lists/oss-security/2015/06/18/6 mailing list third party advisory patch
http://php.net/ChangeLog-5.php release notes vendor advisory
http://www.securityfocus.com/bid/75291 vdb entry third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1135.html third party advisory vendor advisory
https://security.gentoo.org/glsa/201606-10 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1218.html third party advisory vendor advisory
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0765623d6991b62ffcd93ddb6be8a5203a2fa7e2

Frequently Asked Questions

What is the severity of CVE-2015-4643?
CVE-2015-4643 has been scored as a critical severity vulnerability.
How to fix CVE-2015-4643?
To fix CVE-2015-4643, 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-2015-4643 being actively exploited in the wild?
It is possible that CVE-2015-4643 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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