SB2015102803 - Ubuntu update for PHP

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Main Vulnerability Database SB2015102803

SB2015102803 - Ubuntu update for PHP

Published: October 28, 2015 Updated: November 27, 2018

Security Bulletin ID SB2015102803
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2015-7803)

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to NULL pointer dereference in the phar_get_entry_data function in ext/phar/util.c in PHP before 5.5.30 and 5.6.x before 5.6.14. A remote attacker can trigger NULL pointer dereference and cause the service to crash via a .phar file with a crafted TAR archive entry in which the Link indicator references a file that does not exist.


2) Off-by-one (CVE-ID: CVE-2015-7804)

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to off-by-one error in the phar_parse_zipfile function in ext/phar/zip.c in PHP before 5.5.30 and 5.6.x before 5.6.14. A remote attacker can trigger uninitialized pointer dereference and cause the service to crash by including the / filename in a .zip PHAR archive.


Remediation

Install update from vendor's website.

References