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 and classified as critical. Affected is an unknown function of the component libxml2. The manipulation results in resource management. This vulnerability was named CVE-2015-1819. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 9.2 (Smartphone Operating System). Affected is an unknown code of the component libxml2. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The xmlreader in libxml allows remote attackers to cause a denial of service (memory consumption) via crafted XML data, related to an XML Entity Expansion (XEE) attack.

The weakness was presented 03/21/2016 by Florian Weimer as HT206166 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2015-1819 since 02/17/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not 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 87354 (Amazon Linux AMI : libxml2 (ALAS-2015-628)), 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 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 (87354), SecurityFocus (BID 75570†) and Vulnerability Center (SBV-57570†). See VDB-77250, VDB-79257, VDB-79258 and VDB-79334 for similar entries. 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: 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: 87354
Nessus Name: Amazon Linux AMI : libxml2 (ALAS-2015-628)
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

02/17/2015 🔍
07/07/2015 +140 days 🔍
08/14/2015 +38 days 🔍
12/15/2015 +123 days 🔍
03/21/2016 +97 days 🔍
03/21/2016 +0 days 🔍
03/21/2016 +0 days 🔍
03/22/2016 +1 days 🔍
03/23/2016 +1 days 🔍
07/11/2022 +2301 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206166
Researcher: Florian Weimer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1819 (🔍)
GCVE (CVE): GCVE-0-2015-1819
GCVE (VulDB): GCVE-100-81498

OVAL: 🔍

SecurityFocus: 75570 - Libxml2 CVE-2015-1819 Denial of Service Vulnerability
SecurityTracker: 1034243
Vulnerability Center: 57570 - Apple iOS <9.3 Remote DoS in libxml2 - CVE-2015-1819, Medium

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

Entryinfo

Created: 03/23/2016 12:43
Updated: 07/11/2022 11:56
Changes: 03/23/2016 12:43 (65), 02/02/2019 11:05 (17), 07/11/2022 11:56 (4)
Complete: 🔍
Cache ID: 216::103

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