Amazon Linux AMI update for php72

Published: 2019-09-20

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-11042 CVE-2019-11041
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	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: #VU21217

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11042

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 within the exif_read_data() function in PHP EXIF extention. A remote attacker can create a specially crafted image file, pass it to the application, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected packages:

i686:
    php72-dba-7.2.21-1.15.amzn1.i686
    php72-pspell-7.2.21-1.15.amzn1.i686
    php72-7.2.21-1.15.amzn1.i686
    php72-opcache-7.2.21-1.15.amzn1.i686
    php72-common-7.2.21-1.15.amzn1.i686
    php72-snmp-7.2.21-1.15.amzn1.i686
    php72-mbstring-7.2.21-1.15.amzn1.i686
    php72-xmlrpc-7.2.21-1.15.amzn1.i686
    php72-tidy-7.2.21-1.15.amzn1.i686
    php72-imap-7.2.21-1.15.amzn1.i686
    php72-bcmath-7.2.21-1.15.amzn1.i686
    php72-enchant-7.2.21-1.15.amzn1.i686
    php72-gmp-7.2.21-1.15.amzn1.i686
    php72-pdo-dblib-7.2.21-1.15.amzn1.i686
    php72-pgsql-7.2.21-1.15.amzn1.i686
    php72-intl-7.2.21-1.15.amzn1.i686
    php72-fpm-7.2.21-1.15.amzn1.i686
    php72-soap-7.2.21-1.15.amzn1.i686
    php72-debuginfo-7.2.21-1.15.amzn1.i686
    php72-xml-7.2.21-1.15.amzn1.i686
    php72-devel-7.2.21-1.15.amzn1.i686
    php72-process-7.2.21-1.15.amzn1.i686
    php72-recode-7.2.21-1.15.amzn1.i686
    php72-pdo-7.2.21-1.15.amzn1.i686
    php72-json-7.2.21-1.15.amzn1.i686
    php72-dbg-7.2.21-1.15.amzn1.i686
    php72-mysqlnd-7.2.21-1.15.amzn1.i686
    php72-ldap-7.2.21-1.15.amzn1.i686
    php72-embedded-7.2.21-1.15.amzn1.i686
    php72-odbc-7.2.21-1.15.amzn1.i686
    php72-cli-7.2.21-1.15.amzn1.i686
    php72-gd-7.2.21-1.15.amzn1.i686

src:
    php72-7.2.21-1.15.amzn1.src

x86_64:
    php72-tidy-7.2.21-1.15.amzn1.x86_64
    php72-xmlrpc-7.2.21-1.15.amzn1.x86_64
    php72-cli-7.2.21-1.15.amzn1.x86_64
    php72-embedded-7.2.21-1.15.amzn1.x86_64
    php72-mysqlnd-7.2.21-1.15.amzn1.x86_64
    php72-devel-7.2.21-1.15.amzn1.x86_64
    php72-pdo-dblib-7.2.21-1.15.amzn1.x86_64
    php72-7.2.21-1.15.amzn1.x86_64
    php72-imap-7.2.21-1.15.amzn1.x86_64
    php72-fpm-7.2.21-1.15.amzn1.x86_64
    php72-enchant-7.2.21-1.15.amzn1.x86_64
    php72-debuginfo-7.2.21-1.15.amzn1.x86_64
    php72-gmp-7.2.21-1.15.amzn1.x86_64
    php72-gd-7.2.21-1.15.amzn1.x86_64
    php72-json-7.2.21-1.15.amzn1.x86_64
    php72-dba-7.2.21-1.15.amzn1.x86_64
    php72-snmp-7.2.21-1.15.amzn1.x86_64
    php72-pgsql-7.2.21-1.15.amzn1.x86_64
    php72-common-7.2.21-1.15.amzn1.x86_64
    php72-mbstring-7.2.21-1.15.amzn1.x86_64
    php72-bcmath-7.2.21-1.15.amzn1.x86_64
    php72-process-7.2.21-1.15.amzn1.x86_64
    php72-pdo-7.2.21-1.15.amzn1.x86_64
    php72-soap-7.2.21-1.15.amzn1.x86_64
    php72-intl-7.2.21-1.15.amzn1.x86_64
    php72-recode-7.2.21-1.15.amzn1.x86_64
    php72-ldap-7.2.21-1.15.amzn1.x86_64
    php72-xml-7.2.21-1.15.amzn1.x86_64
    php72-odbc-7.2.21-1.15.amzn1.x86_64
    php72-dbg-7.2.21-1.15.amzn1.x86_64
    php72-pspell-7.2.21-1.15.amzn1.x86_64
    php72-opcache-7.2.21-1.15.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2019-1284.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) Out-of-bounds read

EUVDB-ID: #VU21218