CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.5 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, was found in Apple iOS up to 5.1.1 (Smartphone Operating System). Affected is some unknown processing of the component libxml. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.
The weakness was presented 09/19/2012 by Chris Evans with Google Chrome Security Team as APPLE-SA-2012-09-19-1 as confirmed posting (Website). The advisory is shared for download at prod.lists.apple.com. This vulnerability is traded as CVE-2011-1944 since 05/09/2011. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/29/2019). 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 75634 (openSUSE Security Update : libxml2 (openSUSE-SU-2011:0839-1)), 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 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 vulnerability database at Tenable (75634). See 4214, 4462, 4520 and 4661 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 75634
Nessus Name: openSUSE Security Update : libxml2 (openSUSE-SU-2011:0839-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 69962
OpenVAS Name: Debian Security Advisory DSA 2255-1 (libxml2)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: iOS 6.0
Alternative: Google Android
Timeline
05/09/2011 🔍05/31/2011 🔍
06/01/2011 🔍
09/02/2011 🔍
09/19/2012 🔍
09/19/2012 🔍
09/21/2012 🔍
06/13/2014 🔍
04/29/2019 🔍
Sources
Vendor: apple.comAdvisory: APPLE-SA-2012-09-19-1
Researcher: Chris Evans
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2011-1944 (🔍)
OVAL: 🔍
IAVM: 🔍
SecurityFocus: 48056 - libxml2 Invalid XPath Multiple Memory Corruption Vulnerabilities
Secunia: 44711 - Libxml2 XPath Nodeset Processing Vulnerability, Highly Critical
OSVDB: 73248
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 09/21/2012 13:45Updated: 04/29/2019 07:29
Changes: 09/21/2012 13:45 (86), 04/29/2019 07:29 (4)
Complete: 🔍
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