Linux Kernel up to 2.5.x ipt_REDIRECT.c redirect_target null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Linux Kernel up to 2.5.x. This affects the function redirect_target of the file net/ipv4/netfilter/ipt_REDIRECT.c. The manipulation leads to null pointer dereference.
This vulnerability is traded as CVE-2003-1604. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 2.5.x (Operating System) and classified as critical. This issue affects the function redirect_target of the file net/ipv4/netfilter/ipt_REDIRECT.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
The redirect_target function in net/ipv4/netfilter/ipt_REDIRECT.c in the Linux kernel before 2.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending packets to an interface that has a 0.0.0.0 IP address, a related issue to CVE-2015-8787.
The weakness was shared 05/02/2016 (Website). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2003-1604 since 01/27/2016. The exploitation is known to be easy. The attack may be initiated remotely. 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 90482 (openSUSE Security Update : the Linux Kernel (openSUSE-2016-445)), 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 169197 (OpenSuSE Security Update for the Linux Kernel (openSUSE-SU-2016:2290-1)).
Upgrading to version 2.6.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (90482). The entry VDB-81169 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.7VulDB Meta Temp Score: 8.5
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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: 90482
Nessus Name: openSUSE Security Update : the Linux Kernel (openSUSE-2016-445)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 870133
OpenVAS Name: SuSE Update for the openSUSE-SU-2016:1008-1 (Linux Kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 2.6.0
Timeline
01/27/2016 🔍04/12/2016 🔍
04/13/2016 🔍
05/02/2016 🔍
05/02/2016 🔍
05/03/2016 🔍
11/07/2018 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.redhat.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2003-1604 (🔍)
GCVE (CVE): GCVE-0-2003-1604
GCVE (VulDB): GCVE-100-83129
See also: 🔍
Entry
Created: 05/03/2016 11:23Updated: 11/07/2018 16:30
Changes: 05/03/2016 11:23 (64), 11/07/2018 16:30 (12)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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