Apple iOS up to 5.1.1 libxml memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$5k-$25k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple iOS up to 5.1.1. This issue affects some unknown processing of the component libxml. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2011-3919. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 5.1.1 (Smartphone Operating System). It has been classified as critical. This affects some unknown functionality of the component libxml. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in libxml2, as used in Google Chrome before 16.0.912.75, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

The weakness was released 09/19/2012 by Juri Aedla with Google Chrome Security Team as APPLE-SA-2012-09-19-1 as confirmed posting (Website). It is possible to read the advisory at prod.lists.apple.com. This vulnerability is uniquely identified as CVE-2011-3919 since 10/01/2011. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/13/2021). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 75636 (openSUSE Security Update : libxml2 (openSUSE-SU-2012:0107-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. 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 6.0 eliminates this vulnerability. The problem might be mitigated by replacing the product with Google Android as an alternative. 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 (72154), Tenable (75636), SecurityFocus (BID 51300†), Secunia (SA47449†) and SecurityTracker (ID 1026487†). Entries connected to this vulnerability are available at VDB-4214, VDB-4462, VDB-4522 and VDB-4520. 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: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 75636
Nessus Name: openSUSE Security Update : libxml2 (openSUSE-SU-2012:0107-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70712
OpenVAS Name: Debian Security Advisory DSA 2394-1 (libxml2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

10/01/2011 🔍
01/06/2012 +97 days 🔍
01/06/2012 +0 days 🔍
01/06/2012 +0 days 🔍
01/07/2012 +1 days 🔍
01/07/2012 +0 days 🔍
01/12/2012 +5 days 🔍
09/19/2012 +251 days 🔍
09/19/2012 +0 days 🔍
09/21/2012 +1 days 🔍
06/13/2014 +630 days 🔍
04/13/2021 +2496 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2012-09-19-1
Researcher: Juri Aedla
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3919 (🔍)
GCVE (CVE): GCVE-0-2011-3919
GCVE (VulDB): GCVE-100-6351

OVAL: 🔍
IAVM: 🔍

X-Force: 72154
SecurityFocus: 51300 - Google Chrome Prior to 16.0.912.75 Multiple Security Vulnerabilities
Secunia: 47449 - Google Chrome Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1026487 - Google Chrome Multiple Flaws Let Remote Users Execute Arbitrary Code
Vulnerability Center: 34210 - Google Chrome Before 16.0.912.75 libxml2 Heap-Based Buffer Overflow Vulnerability, High

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 10:17
Changes: 09/21/2012 13:45 (85), 04/09/2017 13:21 (11), 04/13/2021 10:17 (2)
Complete: 🔍
Cache ID: 216:678:103

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