spice main_channel_alloc_msg_rcv_buf memory corruption

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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in spice. It has been classified as critical. Affected by this issue is the function main_channel_alloc_msg_rcv_buf. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2016-9577. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in spice (unknown version). This affects the function main_channel_alloc_msg_rcv_buf. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was discovered in SPICE before 0.13.90 in the server s protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution.

The bug was discovered 02/06/2017. The weakness was presented 02/16/2017 by Frediano Ziglio with Red Hat as 854336 / [SECURITY] [DSA 3790-1] spice security update as confirmed mailinglist post (Bugtraq). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2016-9577 since 11/23/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 99867 (EulerOS 2.0 SP2 : spice (EulerOS-SA-2017-1021)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236257 (Red Hat Update for spice-server security (RHSA-2017:0253)).

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 Tenable (99867) and SecurityFocus (BID 96040†). See VDB-97264 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 99867
Nessus Name: EulerOS 2.0 SP2 : spice (EulerOS-SA-2017-1021)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for spice-server CESA-2017:0253 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/23/2016 🔍
02/06/2017 +75 days 🔍
02/06/2017 +0 days 🔍
02/06/2017 +0 days 🔍
02/16/2017 +10 days 🔍
02/24/2017 +8 days 🔍
05/01/2017 +66 days 🔍
07/27/2018 +451 days 🔍
08/17/2020 +752 days 🔍

Sourcesinfo

Advisory: 854336 / [SECURITY] [DSA 3790-1] spice security update
Researcher: Frediano Ziglio
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9577 (🔍)
GCVE (CVE): GCVE-0-2016-9577
GCVE (VulDB): GCVE-100-97263

OVAL: 🔍

SecurityFocus: 96040 - Spice CVE-2016-9577 Buffer Overflow Vulnerability
OSVDB: - CVE-2016-9577 - SPICE - Heap-Based Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 02/24/2017 15:56
Updated: 08/17/2020 10:12
Changes: 02/24/2017 15:56 (82), 08/17/2020 10:12 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!