Sun Solaris 8.0/9.0/10.0 File System /proc null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Sun Solaris 8.0/9.0/10.0. Impacted is an unknown function of the file /proc of the component File System Handler. Performing a manipulation results in null pointer dereference. This vulnerability was named CVE-2006-1092. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Sun Solaris 8.0/9.0/10.0 (Operating System). This affects an unknown functionality of the file /proc of the component File System Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

Unspecified vulnerability in the pagedata subsystem of the process file system (/proc) in Solaris 8 through 10 allows local users to cause a denial of service (system hang or panic) via unknown attack vectors that cause cause the kmem_oversize arena to allocate a large amount of system memory that does not get freed.

The bug was discovered 03/03/2006. The weakness was presented 03/06/2006 with Sun Microsystems Inc. (Website). The advisory is shared at sunsolve.sun.com. This vulnerability is uniquely identified as CVE-2006-1092 since 03/09/2006. The attack can only be done within the local network. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115339 (Sun Solaris Proc Filesystem Pagedata Subsystem Local Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at sunsolve.sun.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (25152), SecurityFocus (BID 16966†), OSVDB (23668†), Secunia (SA19716†) and SecurityTracker (ID 1015723†). See VDB-878, VDB-940, VDB-964 and VDB-965 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: sunsolve.sun.com

Timelineinfo

03/03/2006 🔍
03/03/2006 +0 days 🔍
03/03/2006 +0 days 🔍
03/06/2006 +3 days 🔍
03/06/2006 +0 days 🔍
03/06/2006 +0 days 🔍
03/07/2006 +0 days 🔍
03/09/2006 +2 days 🔍
03/09/2006 +0 days 🔍
03/12/2006 +3 days 🔍
06/22/2025 +7042 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: sunsolve.sun.com⛔
Researcher: http://www.sun.com
Organization: Sun Microsystems Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-1092 (🔍)
GCVE (CVE): GCVE-0-2006-1092
GCVE (VulDB): GCVE-100-2073

OVAL: 🔍

X-Force: 25152 - Sun Solaris /proc(4) pagedata denial of service, Medium Risk
SecurityFocus: 16966 - Sun Solaris Proc Filesystem Pagedata Subsystem Local Denial Of Service Vulnerability
Secunia: 19716 - Avaya CMS / IR "/proc" Denial of Service, Not Critical
OSVDB: 23668 - Solaris /proc pagedata Subsystem Unspecified Local DoS
SecurityTracker: 1015723
Vulnerability Center: 10616 - Solaris Process File System DoS via the Pagedata Subsystem, Medium
Vupen: ADV-2006-0829

See also: 🔍

Entryinfo

Created: 03/07/2006 10:17
Updated: 06/22/2025 21:01
Changes: 03/07/2006 10:17 (89), 06/15/2019 10:45 (1), 06/22/2025 21:01 (18)
Complete: 🔍
Cache ID: 216:BFD:103

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

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