PHP up to 5.4.36/5.5.20/5.6.4 exif_process_unicode use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in PHP up to 5.4.36/5.5.20/5.6.4. Affected by this issue is the function exif_process_unicode. Such manipulation leads to use after free. This vulnerability is referenced as CVE-2015-0232. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PHP up to 5.4.36/5.5.20/5.6.4 (Programming Language Software). Affected by this issue is the function exif_process_unicode. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was published 01/24/2015 by Alex (Website). The advisory is shared for download at php.net. This vulnerability is handled as CVE-2015-0232 since 11/18/2014. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 81320 (Amazon Linux AMI : php55 (ALAS-2015-474)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350228 (Amazon Linux Security Advisory for php55: ALAS-2015-474).

Upgrading to version 5.4.37, 5.5.21 or 5.6.5 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19438.

The vulnerability is also documented in the databases at X-Force (100570), Tenable (81320), SecurityFocus (BID 72541†), SecurityTracker (ID 1031627†) and Vulnerability Center (SBV-56889†). Similar entries are available at VDB-68490 and VDB-68959. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 81320
Nessus Name: Amazon Linux AMI : php55 (ALAS-2015-474)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-475
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.4.37/5.5.21/5.6.5
Patch: 21bc7464f454fec18a9ec024c738f195602fee2a
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

11/18/2014 🔍
01/24/2015 +67 days 🔍
01/24/2015 +0 days 🔍
01/27/2015 +3 days 🔍
01/29/2015 +2 days 🔍
02/08/2015 +10 days 🔍
02/10/2015 +2 days 🔍
02/12/2015 +2 days 🔍
07/20/2015 +157 days 🔍
03/01/2016 +226 days 🔍
03/08/2022 +2197 days 🔍

Sourcesinfo

Product: php.org

Advisory: 68799
Researcher: Alex
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0232 (🔍)
GCVE (CVE): GCVE-0-2015-0232
GCVE (VulDB): GCVE-100-68960

OVAL: 🔍

X-Force: 100570 - PHP exif_process_unicode code execution, High Risk
SecurityFocus: 72541 - PHP 'exif_process_unicode()' Function Remote Code Execution Vulnerability
SecurityTracker: 1031627
Vulnerability Center: 56889 - PHP Remote DoS via a Crafted EXIF Data in a JPEG Image, Medium

See also: 🔍

Entryinfo

Created: 01/29/2015 16:15
Updated: 03/08/2022 00:02
Changes: 01/29/2015 16:15 (72), 08/25/2018 09:16 (19), 03/07/2022 23:48 (6), 03/08/2022 00:02 (1)
Complete: 🔍
Cache ID: 216:E73:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!