Fabrice Bellard QEMU 0.8.2 denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Fabrice Bellard QEMU 0.8.2. Affected by this vulnerability is an unknown functionality. This manipulation causes denial of service. This vulnerability appears as CVE-2007-1366. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Fabrice Bellard QEMU 0.8.2 (Virtualization Software) and classified as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

QEMU 0.8.2 allows local users to crash a virtual machine via the divisor operand to the aam instruction, as demonstrated by "aam 0x0," which triggers a divide-by-zero error.

The weakness was presented 05/01/2007 by Tavis Ormandy (Website). The advisory is shared at vupen.com. This vulnerability is known as CVE-2007-1366 since 03/09/2007. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 25151 (Debian DSA-1284-1 : qemu - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (34046), Tenable (25151), SecurityFocus (BID 23731†), OSVDB (35498†) and Secunia (SA25073†). See VDB-36552, VDB-36551, VDB-39488 and VDB-39487 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.2
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 25151
Nessus Name: Debian DSA-1284-1 : qemu - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58336
OpenVAS Name: Debian Security Advisory DSA 1284-1 (qemu)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2007 🔍
05/01/2007 +52 days 🔍
05/01/2007 +0 days 🔍
05/01/2007 +0 days 🔍
05/01/2007 +0 days 🔍
05/02/2007 +0 days 🔍
05/03/2007 +0 days 🔍
03/13/2015 +2871 days 🔍
08/30/2018 +1266 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: vupen.com
Researcher: Tavis Ormandy
Status: Not defined

CVE: CVE-2007-1366 (🔍)
GCVE (CVE): GCVE-0-2007-1366
GCVE (VulDB): GCVE-100-36553

OVAL: 🔍

X-Force: 34046 - QEMU aam instruction denial of service
SecurityFocus: 23731 - QEMU Multiple Local Vulnerabilities
Secunia: 25073
OSVDB: 35498 - QEMU Divisor Operand / aam Instruction Divide-by-zero Local DoS
Vupen: ADV-2007-1597

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 08/30/2018 08:50
Changes: 03/13/2015 14:56 (72), 08/30/2018 08:50 (2)
Complete: 🔍
Cache ID: 216:52A:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!