Fabrice Bellard QEMU ne2000_receive infinite loop

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.
5.1$0-$5k0.00

A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (unknown version). It has been rated as problematic. This issue affects the function ne2000_receive. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability.

The weakness was published 09/15/2015 as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2015-5278 since 07/01/2015. The exploitation is known to be easy. Access to the local network is required for this attack. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 86490 (SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2015:1782-1)), 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 168775 (SUSE Enterprise Linux Security update for xen (SUSE-SU-2016:1154-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (106361) and Tenable (86490).

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 86490
Nessus Name: SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2015:1782-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for qemu FEDORA-2015-16369
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

07/01/2015 🔍
09/15/2015 +76 days 🔍
09/15/2015 +0 days 🔍
09/16/2015 +1 days 🔍
09/28/2015 +12 days 🔍
10/21/2015 +23 days 🔍
11/19/2015 +29 days 🔍
06/15/2022 +2400 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: USN-2745-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5278 (🔍)
OVAL: 🔍

X-Force: 106361 - Qemu ne2000_receive() denial of service
Vulnerability Center: 54495 - QEMU <2.0.2 Local DoS or Other Impact in Net Component, High
SecurityFocus: 76747

Entryinfo

Created: 09/16/2015 10:51
Updated: 06/15/2022 13:28
Changes: 09/16/2015 10:51 (59), 04/18/2018 14:01 (10), 06/15/2022 13:22 (3), 06/15/2022 13:28 (18)
Complete: 🔍
Cache ID: 3:DC4:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!