Apple iOS up to 6.1.4 libxml XML File resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 6.1.4. Impacted is an unknown function of the component libxml. Such manipulation of the argument XML File leads to resource management. This vulnerability is traded as CVE-2012-0841. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 6.1.4 (Smartphone Operating System). Affected by this issue is some unknown functionality of the component libxml. The manipulation of the argument XML File with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, and integrity. CVE summarizes:

libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data.

The weakness was shared 09/18/2013 by Juraj Somorovsky as APPLE-SA-2013-09-18-2 iOS 7 as confirmed mailinglist post (Website). The advisory is available at prod.lists.apple.com. The mailinglist post contains:

Multiple memory corruption issues existed in libxml. These issues were addressed by updating libxml to version 2.9.0.
This vulnerability is handled as CVE-2012-0841 since 01/19/2012. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 69659 (Amazon Linux AMI : libxml2 (ALAS-2012-52)), 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 216039 (VMWare ESXi 4.0.0 Patch Release ESXi400-201209001 Missing (KB2019662)).

Upgrading to version iOS 7.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.gnome.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (73378), Tenable (69659), SecurityFocus (BID 52107†), Secunia (SA54886†) and SecurityTracker (ID 1026723†). zdnet.com is providing further details. The entries VDB-4214, VDB-4462, VDB-4520 and VDB-4661 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 69659
Nessus Name: Amazon Linux AMI : libxml2 (ALAS-2012-52)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71143
OpenVAS Name: Debian Security Advisory DSA 2417-1 (libxml2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: iOS iOS 7.0
Patch: git.gnome.org

Timelineinfo

01/19/2012 🔍
02/21/2012 +33 days 🔍
02/22/2012 +1 days 🔍
12/21/2012 +303 days 🔍
09/04/2013 +257 days 🔍
09/18/2013 +14 days 🔍
09/18/2013 +0 days 🔍
09/18/2013 +0 days 🔍
09/20/2013 +1 days 🔍
04/17/2016 +940 days 🔍
02/05/2019 +1024 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2013-09-18-2 iOS 7
Researcher: Juraj Somorovsky
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0841 (🔍)
GCVE (CVE): GCVE-0-2012-0841
GCVE (VulDB): GCVE-100-10334

OVAL: 🔍
IAVM: 🔍

X-Force: 73378
SecurityFocus: 52107 - libxml2 Hash Collision Denial Of Service Vulnerability
Secunia: 54886
SecurityTracker: 1026723
Vulnerability Center: 58279 - [cpuapr2013-1899555] Oracle HTTP Server Remote DoS Vulnerability in ModSecurity, Medium

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

Entryinfo

Created: 09/20/2013 10:34
Updated: 02/05/2019 14:10
Changes: 09/20/2013 10:34 (92), 02/05/2019 14:10 (3)
Complete: 🔍
Cache ID: 216:734:103

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