Vulnerability CVE-2015-7804

Vulnerability Name:

CVE-2015-7804 (CCN-106903)

Assigned:

2015-10-05

Published:

2015-10-05

Updated:

2016-12-07

Summary:

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 allows remote attackers to cause a denial of service (uninitialized pointer dereference and application crash) by including the / filename in a .zip PHAR archive.
<a href="http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html">Per Advisory: The attack can lead to remote code execution

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-189

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2015-7804

Source: CONFIRM
Type: UNKNOWN
http://git.php.net/?p=php-src.git;a=commit;h=1ddf72180a52d247db88ea42a3e35f824a8fbda1

Source: APPLE
Type: UNKNOWN
APPLE-SA-2015-12-08-3

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2016:0251

Source: CCN
Type: PHP Web site
Fixed bug #70433 (Uninitialized pointer in phar_make_dirstream when zip entry filename is "/")

Source: CCN
Type: RHSA-2016-0457
Moderate: rh-php56-php security update

Source: DEBIAN
Type: UNKNOWN
DSA-3380

Source: MLIST
Type: UNKNOWN
[oss-security] 20151005 CVE request: issues fixed in PHP 5.6.14 and 5.5.30

Source: CONFIRM
Type: UNKNOWN
http://www.php.net/ChangeLog-5.php

Source: BID
Type: UNKNOWN
76959

Source: CCN
Type: BID-76959
PHP PHAR Multiple Denial of Service Vulnerabilities

Source: SLACKWARE
Type: UNKNOWN
SSA:2016-034-04

Source: UBUNTU
Type: UNKNOWN
USN-2786-1

Source: CONFIRM
Type: Vendor Advisory
https://bugs.php.net/bug.php?id=70433

Source: XF
Type: UNKNOWN
php-pharmakedirstream-dos(106903)

Source: GENTOO
Type: UNKNOWN
GLSA-201606-10

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT205637

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.11.1)

Configuration 2:

cpe:/a:php:php:*:*:*:*:*:*:*:* (Version <= 5.5.29)

OR cpe:/a:php:php:5.6.0:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.1:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.2:*:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.3:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.4:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.5:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.6:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.7:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.8:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.9:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.10:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.11:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.12:-:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.13:-:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:php:php:5.5.29:*:*:*:*:*:*:*

OR cpe:/a:php:php:5.6.1:-:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20157804	V	CVE-2015-7804	2017-03-20
oval:org.cisecurity:def:292	P	DSA-3380-1 php5 -- security update	2016-02-08
oval:com.ubuntu.precise:def:20157804000	V	CVE-2015-7804 on Ubuntu 12.04 LTS (precise) - low.	2015-12-11
oval:com.ubuntu.trusty:def:20157804000	V	CVE-2015-7804 on Ubuntu 14.04 LTS (trusty) - low.	2015-12-11

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