VDB-5765 · CVE-2011-2699 · BID 48802

Oracle Solaris 8/9/10 TCP/IP 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.
6.1	$0-$5k	0.00

A vulnerability was found in Oracle Solaris 8/9/10 (Operating System) and classified as problematic. This issue affects an unknown code of the component TCP/IP. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is integrity. The summary by CVE is:

The IPv6 implementation in the Linux kernel before 3.1 does not generate Fragment Identification values separately for each destination, which makes it easier for remote attackers to cause a denial of service (disrupted networking) by predicting these values and sending crafted packets.

The weakness was published 07/17/2012 by Fernando Gont as Patch Day July 2012 as confirmed advisory (Website). The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2011-2699 since 07/11/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 69585 (Amazon Linux AMI : kernel (ALAS-2011-26)), 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 350721 (Amazon Linux Security Advisory for kernel: ALAS-2011-026).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (69585). Similar entries are available at 4416, 5783, 5697 and 5766.

Productinfo

Type

Operating System

Vendor

Oracle

Name

Solaris

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 69585
Nessus Name: Amazon Linux AMI : kernel (ALAS-2011-26)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881021
OpenVAS Name: CentOS Update for kernel CESA-2011:1386 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Patch: git.kernel.org

Timelineinfo

07/11/2011 🔍
07/20/2011 +9 days 🔍
07/20/2011 +0 days 🔍
07/21/2011 +1 days 🔍
05/24/2012 +308 days 🔍
07/17/2012 +54 days 🔍
07/17/2012 +0 days 🔍
07/18/2012 +0 days 🔍
07/30/2012 +12 days 🔍
03/26/2021 +3161 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Patch Day July 2012
Researcher: Fernando Gont
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2699 (🔍)
OVAL: 🔍
IAVM: 🔍

SecurityTracker: 1027274 - Solaris Multiple Bugs Let Remote Users Access and Modify Data and Deny Service and Local Users Gain Elevated Privileges
Vulnerability Center: 32353 - [cpujul2012-392727] Linux Kernel 2.6.39-rc6 and earlier Remote Denial of Service Vulnerability, High
SecurityFocus: 48802 - Linux Kernel IPv6 Fragment Identification Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/30/2012 16:00
Updated: 03/26/2021 14:54
Changes: 07/30/2012 16:00 (75), 03/28/2017 08:51 (12), 03/26/2021 14:49 (13), 03/26/2021 14:54 (1)
Complete: 🔍