Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 14.04 LTS USN-2344-1 Critical: PHP5 Buffer Overflow

ubuntu
Calendar Grey September 10, 2014
Scroller Ubuntu
Debian Security Alert DSA-1234-1 reveals critical vulnerabilities in PHP leading to potential system instability and unauthorized execution. Upgrade immediately!
php5 could be made to crash or run programs if it receivedspecially crafted network traffic.

Summary

php5 could be made to crash or run programs if it received

specially crafted network traffic.

Software Description:

- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that the Fileinfo component in php5 contains an integer

overflow. An attacker could use this flaw to cause a denial of service

or possibly execute arbitrary code via a crafted CDF file. (CVE-2014-3587)

It was discovered that the php_parserr function contains multiple buffer

overflows. An attacker could use this flaw to cause a denial of service

or possibly execute arbitrary code via crafted DNS records. (CVE-2014-3597)

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical Ubuntu php5 vulnerability

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.4
  php5                            5.5.9+dfsg-1ubuntu4.4
  php5-cgi                        5.5.9+dfsg-1ubuntu4.4
  php5-fpm                        5.5.9+dfsg-1ubuntu4.4

Ubuntu 12.04 LTS:
  libapache2-mod-php5             5.3.10-1ubuntu3.14
  php5                            5.3.10-1ubuntu3.14
  php5-cgi                        5.3.10-1ubuntu3.14
  php5-fpm                        5.3.10-1ubuntu3.14

Ubuntu 10.04 LTS:
  libapache2-mod-php5             5.3.2-1ubuntu4.27
  php5                            5.3.2-1ubuntu4.27
  php5-cgi                        5.3.2-1ubuntu4.27

After a standard system update you need to restart Apache or
php5-fpm to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2344-1

CVE-2014-3587, CVE-2014-3597

Severity
critical
Lowest
Low
Medium
High
Critical

September 10, 2014

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical Ubuntu php5 vulnerability

Package Information

https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.4
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.14
https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.27

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.