Amazon Linux AMI update for php71, php72, php73

Published: 2019-09-20

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-9640 CVE-2019-9637
CWE-ID	CWE-125 CWE-362
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 information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU21219

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-9640

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in exif_process_SOFn within the PHP EXIF component. A remote attacker can create a specially crafted image file, pass it to the affected application, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected packages:

i686:
    php71-process-7.1.27-1.37.amzn1.i686
    php71-imap-7.1.27-1.37.amzn1.i686
    php71-cli-7.1.27-1.37.amzn1.i686
    php71-dba-7.1.27-1.37.amzn1.i686
    php71-debuginfo-7.1.27-1.37.amzn1.i686
    php71-mbstring-7.1.27-1.37.amzn1.i686
    php71-enchant-7.1.27-1.37.amzn1.i686
    php71-devel-7.1.27-1.37.amzn1.i686
    php71-odbc-7.1.27-1.37.amzn1.i686
    php71-pgsql-7.1.27-1.37.amzn1.i686
    php71-pdo-7.1.27-1.37.amzn1.i686
    php71-opcache-7.1.27-1.37.amzn1.i686
    php71-7.1.27-1.37.amzn1.i686
    php71-soap-7.1.27-1.37.amzn1.i686
    php71-mysqlnd-7.1.27-1.37.amzn1.i686
    php71-pdo-dblib-7.1.27-1.37.amzn1.i686
    php71-tidy-7.1.27-1.37.amzn1.i686
    php71-common-7.1.27-1.37.amzn1.i686
    php71-bcmath-7.1.27-1.37.amzn1.i686
    php71-mcrypt-7.1.27-1.37.amzn1.i686
    php71-xmlrpc-7.1.27-1.37.amzn1.i686
    php71-ldap-7.1.27-1.37.amzn1.i686
    php71-json-7.1.27-1.37.amzn1.i686
    php71-recode-7.1.27-1.37.amzn1.i686
    php71-xml-7.1.27-1.37.amzn1.i686
    php71-pspell-7.1.27-1.37.amzn1.i686
    php71-intl-7.1.27-1.37.amzn1.i686
    php71-snmp-7.1.27-1.37.amzn1.i686
    php71-embedded-7.1.27-1.37.amzn1.i686
    php71-gd-7.1.27-1.37.amzn1.i686
    php71-fpm-7.1.27-1.37.amzn1.i686
    php71-dbg-7.1.27-1.37.amzn1.i686
    php71-gmp-7.1.27-1.37.amzn1.i686
    php72-pdo-7.2.16-1.11.amzn1.i686
    php72-pdo-dblib-7.2.16-1.11.amzn1.i686
    php72-xmlrpc-7.2.16-1.11.amzn1.i686
    php72-dba-7.2.16-1.11.amzn1.i686
    php72-bcmath-7.2.16-1.11.amzn1.i686
    php72-cli-7.2.16-1.11.amzn1.i686
    php72-tidy-7.2.16-1.11.amzn1.i686
    php72-7.2.16-1.11.amzn1.i686
    php72-gmp-7.2.16-1.11.amzn1.i686
    php72-opcache-7.2.16-1.11.amzn1.i686
    php72-gd-7.2.16-1.11.amzn1.i686
    php72-intl-7.2.16-1.11.amzn1.i686
    php72-soap-7.2.16-1.11.amzn1.i686
    php72-imap-7.2.16-1.11.amzn1.i686
    php72-embedded-7.2.16-1.11.amzn1.i686
    php72-common-7.2.16-1.11.amzn1.i686
    php72-xml-7.2.16-1.11.amzn1.i686
    php72-odbc-7.2.16-1.11.amzn1.i686
    php72-mbstring-7.2.16-1.11.amzn1.i686
    php72-debuginfo-7.2.16-1.11.amzn1.i686
    php72-pspell-7.2.16-1.11.amzn1.i686
    php72-fpm-7.2.16-1.11.amzn1.i686
    php72-recode-7.2.16-1.11.amzn1.i686
    php72-snmp-7.2.16-1.11.amzn1.i686
    php72-dbg-7.2.16-1.11.amzn1.i686
    php72-mysqlnd-7.2.16-1.11.amzn1.i686
    php72-devel-7.2.16-1.11.amzn1.i686
    php72-process-7.2.16-1.11.amzn1.i686
    php72-pgsql-7.2.16-1.11.amzn1.i686
    php72-enchant-7.2.16-1.11.amzn1.i686
    php72-json-7.2.16-1.11.amzn1.i686
    php72-ldap-7.2.16-1.11.amzn1.i686
    php73-snmp-7.3.4-1.14.amzn1.i686
    php73-process-7.3.4-1.14.amzn1.i686
    php73-embedded-7.3.4-1.14.amzn1.i686
    php73-odbc-7.3.4-1.14.amzn1.i686
    php73-pspell-7.3.4-1.14.amzn1.i686
    php73-debuginfo-7.3.4-1.14.amzn1.i686
    php73-dba-7.3.4-1.14.amzn1.i686
    php73-common-7.3.4-1.14.amzn1.i686
    php73-tidy-7.3.4-1.14.amzn1.i686
    php73-gd-7.3.4-1.14.amzn1.i686
    php73-7.3.4-1.14.amzn1.i686
    php73-bcmath-7.3.4-1.14.amzn1.i686
    php73-fpm-7.3.4-1.14.amzn1.i686
    php73-xml-7.3.4-1.14.amzn1.i686
    php73-ldap-7.3.4-1.14.amzn1.i686
    php73-pgsql-7.3.4-1.14.amzn1.i686
    php73-dbg-7.3.4-1.14.amzn1.i686
    php73-xmlrpc-7.3.4-1.14.amzn1.i686
    php73-enchant-7.3.4-1.14.amzn1.i686
    php73-mbstring-7.3.4-1.14.amzn1.i686
    php73-json-7.3.4-1.14.amzn1.i686
    php73-imap-7.3.4-1.14.amzn1.i686
    php73-pdo-7.3.4-1.14.amzn1.i686
    php73-mysqlnd-7.3.4-1.14.amzn1.i686
    php73-cli-7.3.4-1.14.amzn1.i686
    php73-soap-7.3.4-1.14.amzn1.i686
    php73-intl-7.3.4-1.14.amzn1.i686
    php73-pdo-dblib-7.3.4-1.14.amzn1.i686
    php73-recode-7.3.4-1.14.amzn1.i686
    php73-opcache-7.3.4-1.14.amzn1.i686
    php73-devel-7.3.4-1.14.amzn1.i686
    php73-gmp-7.3.4-1.14.amzn1.i686

src:
    php71-7.1.27-1.37.amzn1.src
    php72-7.2.16-1.11.amzn1.src
    php73-7.3.4-1.14.amzn1.src

x86_64:
    php71-debuginfo-7.1.27-1.37.amzn1.x86_64
    php71-pgsql-7.1.27-1.37.amzn1.x86_64
    php71-pdo-7.1.27-1.37.amzn1.x86_64
    php71-fpm-7.1.27-1.37.amzn1.x86_64
    php71-mcrypt-7.1.27-1.37.amzn1.x86_64
    php71-pspell-7.1.27-1.37.amzn1.x86_64
    php71-gd-7.1.27-1.37.amzn1.x86_64
    php71-json-7.1.27-1.37.amzn1.x86_64
    php71-tidy-7.1.27-1.37.amzn1.x86_64
    php71-xmlrpc-7.1.27-1.37.amzn1.x86_64
    php71-embedded-7.1.27-1.37.amzn1.x86_64
    php71-dba-7.1.27-1.37.amzn1.x86_64
    php71-mbstring-7.1.27-1.37.amzn1.x86_64
    php71-process-7.1.27-1.37.amzn1.x86_64
    php71-odbc-7.1.27-1.37.amzn1.x86_64
    php71-dbg-7.1.27-1.37.amzn1.x86_64
    php71-bcmath-7.1.27-1.37.amzn1.x86_64
    php71-soap-7.1.27-1.37.amzn1.x86_64
    php71-imap-7.1.27-1.37.amzn1.x86_64
    php71-mysqlnd-7.1.27-1.37.amzn1.x86_64
    php71-common-7.1.27-1.37.amzn1.x86_64
    php71-gmp-7.1.27-1.37.amzn1.x86_64
    php71-xml-7.1.27-1.37.amzn1.x86_64
    php71-intl-7.1.27-1.37.amzn1.x86_64
    php71-recode-7.1.27-1.37.amzn1.x86_64
    php71-opcache-7.1.27-1.37.amzn1.x86_64
    php71-pdo-dblib-7.1.27-1.37.amzn1.x86_64
    php71-enchant-7.1.27-1.37.amzn1.x86_64
    php71-ldap-7.1.27-1.37.amzn1.x86_64
    php71-cli-7.1.27-1.37.amzn1.x86_64
    php71-devel-7.1.27-1.37.amzn1.x86_64
    php71-snmp-7.1.27-1.37.amzn1.x86_64
    php71-7.1.27-1.37.amzn1.x86_64
    php72-fpm-7.2.16-1.11.amzn1.x86_64
    php72-mbstring-7.2.16-1.11.amzn1.x86_64
    php72-mysqlnd-7.2.16-1.11.amzn1.x86_64
    php72-bcmath-7.2.16-1.11.amzn1.x86_64
    php72-cli-7.2.16-1.11.amzn1.x86_64
    php72-soap-7.2.16-1.11.amzn1.x86_64
    php72-gd-7.2.16-1.11.amzn1.x86_64
    php72-recode-7.2.16-1.11.amzn1.x86_64
    php72-ldap-7.2.16-1.11.amzn1.x86_64
    php72-devel-7.2.16-1.11.amzn1.x86_64
    php72-intl-7.2.16-1.11.amzn1.x86_64
    php72-imap-7.2.16-1.11.amzn1.x86_64
    php72-tidy-7.2.16-1.11.amzn1.x86_64
    php72-debuginfo-7.2.16-1.11.amzn1.x86_64
    php72-pgsql-7.2.16-1.11.amzn1.x86_64
    php72-snmp-7.2.16-1.11.amzn1.x86_64
    php72-dba-7.2.16-1.11.amzn1.x86_64
    php72-7.2.16-1.11.amzn1.x86_64
    php72-xml-7.2.16-1.11.amzn1.x86_64
    php72-odbc-7.2.16-1.11.amzn1.x86_64
    php72-embedded-7.2.16-1.11.amzn1.x86_64
    php72-pdo-dblib-7.2.16-1.11.amzn1.x86_64
    php72-gmp-7.2.16-1.11.amzn1.x86_64
    php72-opcache-7.2.16-1.11.amzn1.x86_64
    php72-process-7.2.16-1.11.amzn1.x86_64
    php72-pspell-7.2.16-1.11.amzn1.x86_64
    php72-dbg-7.2.16-1.11.amzn1.x86_64
    php72-enchant-7.2.16-1.11.amzn1.x86_64
    php72-common-7.2.16-1.11.amzn1.x86_64
    php72-xmlrpc-7.2.16-1.11.amzn1.x86_64
    php72-json-7.2.16-1.11.amzn1.x86_64
    php72-pdo-7.2.16-1.11.amzn1.x86_64
    php73-dbg-7.3.4-1.14.amzn1.x86_64
    php73-common-7.3.4-1.14.amzn1.x86_64
    php73-pspell-7.3.4-1.14.amzn1.x86_64
    php73-process-7.3.4-1.14.amzn1.x86_64
    php73-intl-7.3.4-1.14.amzn1.x86_64
    php73-odbc-7.3.4-1.14.amzn1.x86_64
    php73-gd-7.3.4-1.14.amzn1.x86_64
    php73-pgsql-7.3.4-1.14.amzn1.x86_64
    php73-gmp-7.3.4-1.14.amzn1.x86_64
    php73-fpm-7.3.4-1.14.amzn1.x86_64
    php73-snmp-7.3.4-1.14.amzn1.x86_64
    php73-pdo-7.3.4-1.14.amzn1.x86_64
    php73-embedded-7.3.4-1.14.amzn1.x86_64
    php73-7.3.4-1.14.amzn1.x86_64
    php73-enchant-7.3.4-1.14.amzn1.x86_64
    php73-cli-7.3.4-1.14.amzn1.x86_64
    php73-tidy-7.3.4-1.14.amzn1.x86_64
    php73-opcache-7.3.4-1.14.amzn1.x86_64
    php73-imap-7.3.4-1.14.amzn1.x86_64
    php73-xmlrpc-7.3.4-1.14.amzn1.x86_64
    php73-ldap-7.3.4-1.14.amzn1.x86_64
    php73-recode-7.3.4-1.14.amzn1.x86_64
    php73-dba-7.3.4-1.14.amzn1.x86_64
    php73-xml-7.3.4-1.14.amzn1.x86_64
    php73-bcmath-7.3.4-1.14.amzn1.x86_64
    php73-mysqlnd-7.3.4-1.14.amzn1.x86_64
    php73-devel-7.3.4-1.14.amzn1.x86_64
    php73-soap-7.3.4-1.14.amzn1.x86_64
    php73-pdo-dblib-7.3.4-1.14.amzn1.x86_64
    php73-json-7.3.4-1.14.amzn1.x86_64
    php73-debuginfo-7.3.4-1.14.amzn1.x86_64
    php73-mbstring-7.3.4-1.14.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-2019-1282.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.

2) Race condition

EUVDB-ID: #VU21220