CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel 2.6.x (Operating System). It has been rated as problematic. Affected by this issue is the function zlib_inflate
in the library zlib_inflate. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:
The zlib_inflate function in Linux kernel 2.6.x allows local users to cause a denial of service (crash) via a malformed filesystem that uses zlib compression that triggers memory corruption, as demonstrated using cramfs.
The bug was discovered 11/07/2006. The weakness was published 11/09/2006 (Website). The advisory is shared for download at ubuntu.com. This vulnerability is handled as CVE-2006-5823 since 11/08/2006. The exploitation is known to be difficult. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 67516 (Oracle Linux 3 : kernel (ELSA-2007-0436)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115509 (Red Hat Kernel Security Update (RHSA-2007:0014)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (30154) and Tenable (67516). Similar entries are available at 2551, 2589, 2647 and 2661.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 67516
Nessus Name: Oracle Linux 3 : kernel (ELSA-2007-0436)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 60437
OpenVAS Name: Debian Security Advisory DSA 1503-1 (kernel-source-2.4.27 (2.4.27-10sarge6))
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Timeline
11/07/2006 🔍11/07/2006 🔍
11/08/2006 🔍
11/08/2006 🔍
11/09/2006 🔍
11/09/2006 🔍
02/04/2007 🔍
06/20/2007 🔍
07/12/2013 🔍
03/12/2015 🔍
07/14/2019 🔍
Sources
Vendor: kernel.orgAdvisory: ubuntu.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2006-5823 (🔍)
OVAL: 🔍
X-Force: 30154
Vulnerability Center: 14200 - Linux Kernel 2.6.* zlib_inflate Function Local DoS via a Malformed Filesystem, Medium
SecurityFocus: 23104
Secunia: 22767 - Fedora Core "zlib_inflate()" Denial of Service Vulnerability, Not Critical
OSVDB: 30215 - CVE-2006-5823 - Linux Kernel - Denial-of-service Issue
See also: 🔍
Entry
Created: 03/12/2015 22:21Updated: 07/14/2019 11:48
Changes: 03/12/2015 22:21 (77), 07/14/2019 11:48 (10)
Complete: 🔍
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