Oracle Java up to 5.0 Update 45/6 Update 45/7 Update 21 Library integer coercion

CVSS Meta Temp Score
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5.1$0-$5k0.00

A vulnerability has been found in Oracle Java up to 5.0 Update 45/6 Update 45/7 Update 21 (Programming Language Software) and classified as problematic. This vulnerability affects an unknown functionality of the component Library. The manipulation with an unknown input leads to a integer coercion vulnerability. The CWE definition for the vulnerability is CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. As an impact it is known to affect confidentiality. CVE summarizes:

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier, 6 Update 45 and earlier, and 5.0 Update 45 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality via unknown vectors related to Libraries, a different vulnerability than CVE-2013-2452 and CVE-2013-2455. NOTE: the previous information is from the June 2013 CPU. Oracle has not commented on claims from another vendor that this issue is due to an incorrect "checking order" within the AccessControlContext class.

The weakness was published 06/18/2013 with Oracle as Oracle Java SE Critical Patch Update Advisory - June 2013 as not defined advisory (Website). The advisory is shared for download at oracle.com. This vulnerability was named CVE-2013-2443 since 03/05/2013. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 69762 (Amazon Linux AMI : java-1.7.0-openjdk (ALAS-2013-204)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185047 (HP-UX Running Java7 Multiple Vulnerabilities (HPSBUX02907)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

Due to the threat posed by a successful attack, Oracle strongly recommends that customers apply CPU fixes as soon as possible.
Heise notes, that "[t]his is the last Java update that will occur on the out of sync timetable that has been in play since the start of the year. The next update is scheduled to take place as part of Oracle's normal Critical Patch Update schedule in October this year".

The vulnerability is also documented in the databases at X-Force (85054) and Tenable (69762). Additional details are provided at grahamcluley.com. Similar entries are available at 9226, 9199, 9223 and 9230.

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CPE 2.3info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Integer coercion
CWE: CWE-192 / CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 69762
Nessus Name: Amazon Linux AMI : java-1.7.0-openjdk (ALAS-2013-204)
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OpenVAS ID: 892722
OpenVAS Name: Debian Security Advisory DSA 2722-1 (openjdk-7 - several vulnerabilities
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Timelineinfo

03/05/2013 🔍
06/18/2013 +105 days 🔍
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06/19/2013 +1 days 🔍
06/19/2013 +0 days 🔍
07/17/2013 +28 days 🔍
05/17/2021 +2861 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Java SE Critical Patch Update Advisory - June 2013
Organization: Oracle
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-2443 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 85054
Vulnerability Center: 40085 - [javacpujun2013-1899847] Oracle Java JRE Remote Leakage of Information Vulnerability Related to Libraries - CVE-2013-2443, Medium
SecurityFocus: 60646 - Oracle Java SE CVE-2013-2443 Remote Security Vulnerability
Secunia: 54154 - IBM Java Multiple Vulnerabilities, Highly Critical

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Entryinfo

Created: 06/19/2013 10:34
Updated: 05/17/2021 09:20
Changes: 06/19/2013 10:34 (87), 05/03/2017 16:30 (3), 05/17/2021 09:20 (3)
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