Out-of-bounds read in PHP

1) Out-of-bounds read

EUVDB-ID: #VU31834

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-9709

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in The GetCode_ function in gd_gif_in.c in GD 2.1.1 and earlier, as used in PHP before 5.5.21 and 5.6.x before 5.6.5,. A remote attacker can perform a denial of service (buffer over-read and application crash) via a crafted GIF image that is improperly handled by the gdImageCreateFromGif function.

Mitigation

Update to version 5.6.5.

Vulnerable software versions

PHP: 5.6.0 - 5.6.4

CPE2.3

• cpe:2.3:a:php_group:php:5.6.4:*:*:*:*:*:*:*

External links

https://advisories.mageia.org/MGASA-2015-0040.html
https://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
https://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html
https://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html
https://marc.info/?l=bugtraq&m=143403519711434&w=2
https://php.net/ChangeLog-5.php
https://rhn.redhat.com/errata/RHSA-2015-1053.html
https://rhn.redhat.com/errata/RHSA-2015-1066.html
https://rhn.redhat.com/errata/RHSA-2015-1135.html
https://rhn.redhat.com/errata/RHSA-2015-1218.html
https://www.debian.org/security/2015/dsa-3215
https://www.mandriva.com/security/advisories?name=MDVSA-2015:153
https://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
https://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
https://www.securityfocus.com/bid/73306
https://www.securitytracker.com/id/1033703
https://www.ubuntu.com/usn/USN-2987-1
https://bitbucket.org/libgd/gd-libgd/commits/47eb44b2e90ca88a08dca9f9a1aa9041e9587f43
https://bugs.php.net/bug.php?id=68601
https://bugzilla.redhat.com/show_bug.cgi?id=1188639
https://security.gentoo.org/glsa/201606-10
https://security.gentoo.org/glsa/201607-04
https://support.apple.com/HT205267

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.