PHP 5.4.41/5.5.25/5.6.9 getTraceAsStrin type confusion

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in PHP 5.4.41/5.5.25/5.6.9. This affects the function exception::getTraceAsStrin. The manipulation results in type confusion. This vulnerability was named CVE-2015-4603. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in PHP 5.4.41/5.5.25/5.6.9 (Programming Language Software). It has been classified as critical. Affected is the function exception::getTraceAsStrin. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The exception::getTraceAsString function in Zend/zend_exceptions.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to execute arbitrary code via an unexpected data type, related to a "type confusion" issue.

The weakness was presented 06/26/2015 by Taoguang Chen as Bug 1232923 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2015-4603 since 06/16/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 84659 (Oracle Linux 6 : php (ELSA-2015-1218)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196160 (Ubuntu Security Notification for Php5 Vulnerabilities (USN-2658-1)).

Upgrading to version 5.4.42, 5.6.10 or 5.5.26 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (104115), Tenable (84659), SecurityFocus (BID 75252†), SecurityTracker (ID 1032709†) and Vulnerability Center (SBV-50612†). See VDB-67396, VDB-67398, VDB-67420 and VDB-67724 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Type confusion
CWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84659
Nessus Name: Oracle Linux 6 : php (ELSA-2015-1218)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 100723
OpenVAS Name: RedHat Update for php RHSA-2015:1218-01
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.4.42/5.6.10/5.5.26

Timelineinfo

06/16/2015 🔍
06/16/2015 +0 days 🔍
06/17/2015 +1 days 🔍
06/18/2015 +1 days 🔍
06/25/2015 +7 days 🔍
06/26/2015 +1 days 🔍
06/29/2015 +3 days 🔍
05/16/2016 +322 days 🔍
05/22/2022 +2197 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 1232923
Researcher: Taoguang Chen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4603 (🔍)
GCVE (CVE): GCVE-0-2015-4603
GCVE (VulDB): GCVE-100-76128
X-Force: 104115 - PHP exception::getTraceAsString information disclosure
SecurityFocus: 75252 - PHP 'exception::getTraceAsString' CVE-2015-4603 Remote Security Vulnerability
SecurityTracker: 1032709 - PHP Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 50612 - PHP <5.6.6 Remote Information Disclosure or DoS in exception::getTraceAsString, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/29/2015 17:45
Updated: 05/22/2022 08:42
Changes: 06/29/2015 17:45 (86), 07/01/2017 07:51 (8), 05/22/2022 08:42 (4)
Complete: 🔍
Cache ID: 216::103

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