Apple Mac OS X up to 10.11.0 apache_mod_php memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple Mac OS X up to 10.11.0. This issue affects some unknown processing of the component apache_mod_php. This manipulation causes memory corruption. This vulnerability is registered as CVE-2015-0273. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.0 (Operating System). It has been declared as critical. Affected by this vulnerability is an unknown code of the component apache_mod_php. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/21/2015 by Taoguang Chen as HT205375 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2015-0273 since 11/17/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple vulnerabilities existed in PHP versions prior to 5.5.29 and 5.4.45. These were addressed by updating PHP to versions 5.5.29 and 5.4.45.

A public exploit has been developed by Taoguang Chen and been published even before and not after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 35 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 93161 (SUSE SLES11 Security Update : php53 (SUSE-SU-2016:1638-1) (BACKRONYM)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13108 (PHP Multiple Remote Code Execution Vulnerabilities (GHOST)).

Upgrading to version 10.11.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19390.

The vulnerability is also documented in the databases at Exploit-DB (36158), Tenable (93161), SecurityFocus (BID 72701†) and Vulnerability Center (SBV-56891†). Similar entries are available at VDB-69232, VDB-73982, VDB-74064 and VDB-74066. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Taoguang Chen
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93161
Nessus Name: SUSE SLES11 Security Update : php53 (SUSE-SU-2016:1638-1) (BACKRONYM)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-494
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.1
Patch: 71335e6ebabc1b12c057d8017fd811892ecdfd24
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

11/17/2014 🔍
02/19/2015 +94 days 🔍
02/22/2015 +3 days 🔍
02/22/2015 +0 days 🔍
02/22/2015 +0 days 🔍
03/30/2015 +35 days 🔍
10/21/2015 +205 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
03/01/2016 +131 days 🔍
08/29/2016 +180 days 🔍
06/09/2024 +2841 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205375
Researcher: Taoguang Chen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0273 (🔍)
GCVE (CVE): GCVE-0-2015-0273
GCVE (VulDB): GCVE-100-78775

OVAL: 🔍

SecurityFocus: 72701 - PHP CVE-2015-0273 Use After Free Remote Code Execution Vulnerability
SecurityTracker: 1031945
Vulnerability Center: 56891 - HP System Management Homepage <7.5.0 Remote Code Execution Vulnerability - CVE-2015-0273, High

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 10/22/2015 11:27
Updated: 06/09/2024 19:12
Changes: 10/22/2015 11:27 (52), 08/25/2018 09:16 (41), 06/24/2022 09:42 (5), 06/09/2024 19:12 (15)
Complete: 🔍
Cache ID: 216:85F:103

Be aware that VulDB is the high quality source for vulnerability data.

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