Apple iOS up to 9.2 libxml2 resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 9.2. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component libxml2. This manipulation causes resource management. The identification of this vulnerability is CVE-2015-5312. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple iOS up to 9.2 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component libxml2. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 03/21/2016 by Kostya Serebryany with Google as HT206166 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2015-5312 since 07/01/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 87369 (Ubuntu 12.04 LTS / 14.04 LTS / 15.04 / 15.10 : libxml2 vulnerabilities (USN-2834-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351588 (Amazon Linux Security Advisory for libxml2: ALAS2-2019-1220).

Upgrading to version 9.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87369), SecurityFocus (BID 79536†) and Vulnerability Center (SBV-57878†). The entries VDB-77250, VDB-79257, VDB-79258 and VDB-79334 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87369
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 15.04 / 15.10 : libxml2 vulnerabilities (USN-2834-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-628
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 9.3
Patch: git.gnome.org

Timelineinfo

07/01/2015 🔍
12/14/2015 +166 days 🔍
12/15/2015 +0 days 🔍
12/17/2015 +2 days 🔍
03/21/2016 +95 days 🔍
03/21/2016 +0 days 🔍
03/21/2016 +0 days 🔍
03/23/2016 +2 days 🔍
04/03/2016 +11 days 🔍
07/11/2022 +2290 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206166
Researcher: Kostya Serebryany
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5312 (🔍)
GCVE (CVE): GCVE-0-2015-5312
GCVE (VulDB): GCVE-100-81499

OVAL: 🔍

SecurityFocus: 79536 - libxml2 CVE-2015-5312 XML Entity Expansion Denial of Service Vulnerability
SecurityTracker: 1034243
Vulnerability Center: 57878 - Apple iOS <9.3 Remote DoS in libxml2 - CVE-2015-5312, High

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 03/23/2016 12:43
Updated: 07/11/2022 12:03
Changes: 03/23/2016 12:43 (77), 02/03/2019 10:39 (5), 07/11/2022 12:03 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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