Amazon Linux AMI update for php56, php55

Published: 2016-04-13

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2016-2554
CWE-ID	CWE-121
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Amazon Linux AMI Operating systems & Components / Operating system
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU40283

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-2554

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a crafted TAR archive. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages:

i686:
    php55-5.5.33-1.113.amzn1.i686
    php56-dbg-5.6.19-1.123.amzn1.i686
    php55-mssql-5.5.33-1.113.amzn1.i686
    php55-mbstring-5.5.33-1.113.amzn1.i686
    php56-soap-5.6.19-1.123.amzn1.i686
    php55-debuginfo-5.5.33-1.113.amzn1.i686
    php56-cli-5.6.19-1.123.amzn1.i686
    php55-opcache-5.5.33-1.113.amzn1.i686
    php56-process-5.6.19-1.123.amzn1.i686
    php55-common-5.5.33-1.113.amzn1.i686
    php56-enchant-5.6.19-1.123.amzn1.i686
    php55-dba-5.5.33-1.113.amzn1.i686
    php56-xml-5.6.19-1.123.amzn1.i686
    php55-ldap-5.5.33-1.113.amzn1.i686
    php56-debuginfo-5.6.19-1.123.amzn1.i686
    php55-process-5.5.33-1.113.amzn1.i686
    php56-mysqlnd-5.6.19-1.123.amzn1.i686
    php55-soap-5.5.33-1.113.amzn1.i686
    php56-opcache-5.6.19-1.123.amzn1.i686
    php55-intl-5.5.33-1.113.amzn1.i686
    php56-snmp-5.6.19-1.123.amzn1.i686
    php55-enchant-5.5.33-1.113.amzn1.i686
    php56-5.6.19-1.123.amzn1.i686
    php55-gd-5.5.33-1.113.amzn1.i686
    php56-dba-5.6.19-1.123.amzn1.i686
    php55-imap-5.5.33-1.113.amzn1.i686
    php56-common-5.6.19-1.123.amzn1.i686
    php55-gmp-5.5.33-1.113.amzn1.i686
    php56-pgsql-5.6.19-1.123.amzn1.i686
    php55-tidy-5.5.33-1.113.amzn1.i686
    php56-embedded-5.6.19-1.123.amzn1.i686
    php55-snmp-5.5.33-1.113.amzn1.i686
    php56-pdo-5.6.19-1.123.amzn1.i686
    php55-cli-5.5.33-1.113.amzn1.i686
    php56-intl-5.6.19-1.123.amzn1.i686
    php55-pspell-5.5.33-1.113.amzn1.i686
    php56-mbstring-5.6.19-1.123.amzn1.i686
    php55-pdo-5.5.33-1.113.amzn1.i686
    php56-imap-5.6.19-1.123.amzn1.i686
    php55-mcrypt-5.5.33-1.113.amzn1.i686
    php56-pspell-5.6.19-1.123.amzn1.i686
    php55-recode-5.5.33-1.113.amzn1.i686
    php56-recode-5.6.19-1.123.amzn1.i686
    php55-xmlrpc-5.5.33-1.113.amzn1.i686
    php56-mssql-5.6.19-1.123.amzn1.i686
    php55-fpm-5.5.33-1.113.amzn1.i686
    php56-gd-5.6.19-1.123.amzn1.i686
    php55-odbc-5.5.33-1.113.amzn1.i686
    php56-fpm-5.6.19-1.123.amzn1.i686
    php55-embedded-5.5.33-1.113.amzn1.i686
    php56-odbc-5.6.19-1.123.amzn1.i686
    php55-xml-5.5.33-1.113.amzn1.i686
    php56-bcmath-5.6.19-1.123.amzn1.i686
    php55-mysqlnd-5.5.33-1.113.amzn1.i686
    php56-xmlrpc-5.6.19-1.123.amzn1.i686
    php55-bcmath-5.5.33-1.113.amzn1.i686
    php56-mcrypt-5.6.19-1.123.amzn1.i686
    php55-devel-5.5.33-1.113.amzn1.i686
    php56-devel-5.6.19-1.123.amzn1.i686
    php55-pgsql-5.5.33-1.113.amzn1.i686
    php56-gmp-5.6.19-1.123.amzn1.i686
    php56-tidy-5.6.19-1.123.amzn1.i686
    php56-ldap-5.6.19-1.123.amzn1.i686

src:
    php55-5.5.33-1.113.amzn1.src
    php56-5.6.19-1.123.amzn1.src

x86_64:
    php55-tidy-5.5.33-1.113.amzn1.x86_64
    php56-gmp-5.6.19-1.123.amzn1.x86_64
    php55-odbc-5.5.33-1.113.amzn1.x86_64
    php56-process-5.6.19-1.123.amzn1.x86_64
    php55-enchant-5.5.33-1.113.amzn1.x86_64
    php56-common-5.6.19-1.123.amzn1.x86_64
    php55-recode-5.5.33-1.113.amzn1.x86_64
    php56-recode-5.6.19-1.123.amzn1.x86_64
    php55-intl-5.5.33-1.113.amzn1.x86_64
    php56-intl-5.6.19-1.123.amzn1.x86_64
    php55-opcache-5.5.33-1.113.amzn1.x86_64
    php56-5.6.19-1.123.amzn1.x86_64
    php55-cli-5.5.33-1.113.amzn1.x86_64
    php56-cli-5.6.19-1.123.amzn1.x86_64
    php55-pspell-5.5.33-1.113.amzn1.x86_64
    php56-dbg-5.6.19-1.123.amzn1.x86_64
    php55-debuginfo-5.5.33-1.113.amzn1.x86_64
    php56-mcrypt-5.6.19-1.123.amzn1.x86_64
    php55-mbstring-5.5.33-1.113.amzn1.x86_64
    php56-mbstring-5.6.19-1.123.amzn1.x86_64
    php55-gd-5.5.33-1.113.amzn1.x86_64
    php56-enchant-5.6.19-1.123.amzn1.x86_64
    php55-pdo-5.5.33-1.113.amzn1.x86_64
    php56-pgsql-5.6.19-1.123.amzn1.x86_64
    php55-imap-5.5.33-1.113.amzn1.x86_64
    php56-pspell-5.6.19-1.123.amzn1.x86_64
    php55-mcrypt-5.5.33-1.113.amzn1.x86_64
    php56-mysqlnd-5.6.19-1.123.amzn1.x86_64
    php55-xml-5.5.33-1.113.amzn1.x86_64
    php56-mssql-5.6.19-1.123.amzn1.x86_64
    php55-soap-5.5.33-1.113.amzn1.x86_64
    php56-odbc-5.6.19-1.123.amzn1.x86_64
    php55-dba-5.5.33-1.113.amzn1.x86_64
    php56-snmp-5.6.19-1.123.amzn1.x86_64
    php55-process-5.5.33-1.113.amzn1.x86_64
    php56-dba-5.6.19-1.123.amzn1.x86_64
    php55-snmp-5.5.33-1.113.amzn1.x86_64
    php56-embedded-5.6.19-1.123.amzn1.x86_64
    php55-ldap-5.5.33-1.113.amzn1.x86_64
    php56-tidy-5.6.19-1.123.amzn1.x86_64
    php55-xmlrpc-5.5.33-1.113.amzn1.x86_64
    php56-opcache-5.6.19-1.123.amzn1.x86_64
    php55-mysqlnd-5.5.33-1.113.amzn1.x86_64
    php56-imap-5.6.19-1.123.amzn1.x86_64
    php55-5.5.33-1.113.amzn1.x86_64
    php56-debuginfo-5.6.19-1.123.amzn1.x86_64
    php55-embedded-5.5.33-1.113.amzn1.x86_64
    php56-xml-5.6.19-1.123.amzn1.x86_64
    php55-fpm-5.5.33-1.113.amzn1.x86_64
    php56-soap-5.6.19-1.123.amzn1.x86_64
    php55-gmp-5.5.33-1.113.amzn1.x86_64
    php56-bcmath-5.6.19-1.123.amzn1.x86_64
    php55-devel-5.5.33-1.113.amzn1.x86_64
    php56-pdo-5.6.19-1.123.amzn1.x86_64
    php55-bcmath-5.5.33-1.113.amzn1.x86_64
    php56-ldap-5.6.19-1.123.amzn1.x86_64
    php55-pgsql-5.5.33-1.113.amzn1.x86_64
    php56-xmlrpc-5.6.19-1.123.amzn1.x86_64
    php55-mssql-5.5.33-1.113.amzn1.x86_64
    php56-fpm-5.6.19-1.123.amzn1.x86_64
    php55-common-5.5.33-1.113.amzn1.x86_64
    php56-gd-5.6.19-1.123.amzn1.x86_64
    php56-devel-5.6.19-1.123.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3

cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*

External links

https://alas.aws.amazon.com/ALAS-2016-685.html

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.