Amazon Linux AMI update for php71

1) Stack-based buffer overflow

EUVDB-ID: #VU10800

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7584

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to stack-based buffer overflow when handling malicious input. A remote attacker can send specially crafted HTTP response packets, trigger memory corruption and cause the application to crash.

Mitigation

Update the affected packages.

i686:
    php71-7.1.15-1.31.amzn1.i686
    php71-common-7.1.15-1.31.amzn1.i686
    php71-tidy-7.1.15-1.31.amzn1.i686
    php71-opcache-7.1.15-1.31.amzn1.i686
    php71-ldap-7.1.15-1.31.amzn1.i686
    php71-pdo-dblib-7.1.15-1.31.amzn1.i686
    php71-pspell-7.1.15-1.31.amzn1.i686
    php71-recode-7.1.15-1.31.amzn1.i686
    php71-pdo-7.1.15-1.31.amzn1.i686
    php71-bcmath-7.1.15-1.31.amzn1.i686
    php71-mysqlnd-7.1.15-1.31.amzn1.i686
    php71-gmp-7.1.15-1.31.amzn1.i686
    php71-snmp-7.1.15-1.31.amzn1.i686
    php71-cli-7.1.15-1.31.amzn1.i686
    php71-embedded-7.1.15-1.31.amzn1.i686
    php71-xml-7.1.15-1.31.amzn1.i686
    php71-debuginfo-7.1.15-1.31.amzn1.i686
    php71-pgsql-7.1.15-1.31.amzn1.i686
    php71-process-7.1.15-1.31.amzn1.i686
    php71-enchant-7.1.15-1.31.amzn1.i686
    php71-gd-7.1.15-1.31.amzn1.i686
    php71-mcrypt-7.1.15-1.31.amzn1.i686
    php71-dbg-7.1.15-1.31.amzn1.i686
    php71-odbc-7.1.15-1.31.amzn1.i686
    php71-devel-7.1.15-1.31.amzn1.i686
    php71-fpm-7.1.15-1.31.amzn1.i686
    php71-mbstring-7.1.15-1.31.amzn1.i686
    php71-intl-7.1.15-1.31.amzn1.i686
    php71-soap-7.1.15-1.31.amzn1.i686
    php71-imap-7.1.15-1.31.amzn1.i686
    php71-json-7.1.15-1.31.amzn1.i686
    php71-dba-7.1.15-1.31.amzn1.i686
    php71-xmlrpc-7.1.15-1.31.amzn1.i686

src:
    php71-7.1.15-1.31.amzn1.src

x86_64:
    php71-common-7.1.15-1.31.amzn1.x86_64
    php71-gmp-7.1.15-1.31.amzn1.x86_64
    php71-gd-7.1.15-1.31.amzn1.x86_64
    php71-debuginfo-7.1.15-1.31.amzn1.x86_64
    php71-intl-7.1.15-1.31.amzn1.x86_64
    php71-json-7.1.15-1.31.amzn1.x86_64
    php71-tidy-7.1.15-1.31.amzn1.x86_64
    php71-snmp-7.1.15-1.31.amzn1.x86_64
    php71-dba-7.1.15-1.31.amzn1.x86_64
    php71-mysqlnd-7.1.15-1.31.amzn1.x86_64
    php71-ldap-7.1.15-1.31.amzn1.x86_64
    php71-pgsql-7.1.15-1.31.amzn1.x86_64
    php71-enchant-7.1.15-1.31.amzn1.x86_64
    php71-xmlrpc-7.1.15-1.31.amzn1.x86_64
    php71-mbstring-7.1.15-1.31.amzn1.x86_64
    php71-odbc-7.1.15-1.31.amzn1.x86_64
    php71-process-7.1.15-1.31.amzn1.x86_64
    php71-dbg-7.1.15-1.31.amzn1.x86_64
    php71-soap-7.1.15-1.31.amzn1.x86_64
    php71-7.1.15-1.31.amzn1.x86_64
    php71-embedded-7.1.15-1.31.amzn1.x86_64
    php71-pspell-7.1.15-1.31.amzn1.x86_64
    php71-pdo-7.1.15-1.31.amzn1.x86_64
    php71-opcache-7.1.15-1.31.amzn1.x86_64
    php71-fpm-7.1.15-1.31.amzn1.x86_64
    php71-xml-7.1.15-1.31.amzn1.x86_64
    php71-devel-7.1.15-1.31.amzn1.x86_64
    php71-recode-7.1.15-1.31.amzn1.x86_64
    php71-bcmath-7.1.15-1.31.amzn1.x86_64
    php71-imap-7.1.15-1.31.amzn1.x86_64
    php71-mcrypt-7.1.15-1.31.amzn1.x86_64
    php71-cli-7.1.15-1.31.amzn1.x86_64
    php71-pdo-dblib-7.1.15-1.31.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-982.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.