CVE-2015-8879

Publication date 22 May 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The odbc_bindcols function in ext/odbc/php_odbc.c in PHP before 5.6.12 mishandles driver behavior for SQL_WVARCHAR columns, which allows remote attackers to cause a denial of service (application crash) in opportunistic circumstances by leveraging use of the odbc_fetch_array function to access a certain type of Microsoft SQL Server table.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	16.04 LTS xenial	Not in release
	15.10 wily	Ignored
	14.04 LTS trusty	Ignored
	12.04 LTS precise	Ignored

Notes

tyhicks

This issue is specific to php5 being used with the Microsoft SQL ODBC driver

mdeslaur

this will not be fixed in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=16db4d1462bf3eacb93c0cd940f799160a284b24 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=344ff5dd4c538eaebea075f7705321f8b86d0b47

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H