Oracle Java JDK/Open JDK 1.7/1.7.0_2/1.7.0_4 MurmurHash Implementation cryptographic issues

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability was found in Oracle Java JDK and Open JDK 1.7/1.7.0_2/1.7.0_4 (Programming Language Software). It has been rated as critical. Affected by this issue is an unknown function of the component MurmurHash Implementation. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is availability. CVE summarizes:

Oracle Java SE 7 and earlier, and OpenJDK 7 and earlier, computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm, a different vulnerability than CVE-2012-2739.

The weakness was presented 11/23/2012 by Jean-Philippe Aumasson as 2012-001 as confirmed advisory (Website). The advisory is shared for download at ocert.org. The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2012-5373 since 10/10/2012. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a private exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 85 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 802680 , which helps to determine the existence of the flaw in a target environment.

The vulnerability is also documented in the databases at X-Force (80299) and Tenable (802680).

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

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Nessus ID: 802680
Nessus Risk: 🔍

OpenVAS ID: 802680
OpenVAS Name: Oracle Java SE MurmurHash Algorithm Hash Collision DoS Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2012 🔍
10/10/2012 +41 days 🔍
11/23/2012 +44 days 🔍
11/23/2012 +0 days 🔍
11/23/2012 +0 days 🔍
11/28/2012 +5 days 🔍
11/28/2012 +0 days 🔍
11/29/2012 +1 days 🔍
12/04/2012 +5 days 🔍
12/09/2012 +5 days 🔍
04/22/2017 +1595 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: 2012-001
Researcher: Jean-Philippe Aumasson
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-5373 (🔍)
X-Force: 80299 - Java Murmur hash denial of service, Medium Risk
Vulnerability Center: 37571 - Oracle JRE Remote Denial of Service due to a Problem When Computing Hash Values - CVE-2012-5373, Medium
SecurityFocus: 56673 - Java CVE-2012-5373 'MurmurHash' Algorithm Hash Collision Denial of Service Vulnerability
OSVDB: 87862

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/29/2012 13:32
Updated: 04/22/2017 12:55
Changes: 11/29/2012 13:32 (77), 04/22/2017 12:55 (2)
Complete: 🔍

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