Linux Kernel up to 2.6.7 Load-balancer for Serial Network Interfaces eql.c null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 2.6.7 (Operating System). Affected by this issue is some unknown functionality of the file eql.c of the component Load-balancer for Serial Network Interfaces. 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 availability. CVE summarizes:
The Equalizer Load-balancer for serial network interfaces (eql.c) in Linux kernel 2.6.x up to 2.6.7 allows local users to cause a denial of service via a non-existent device name that triggers a null dereference.
The issue has been introduced in 12/18/2003. The weakness was disclosed 08/06/2004 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is handled as CVE-2004-0596 since 06/23/2004. The exploitation is known to be easy. 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 232 days. During that time the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at X-Force (16694).
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: 4.0VulDB Meta Temp Score: 4.0
VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/18/2003 🔍06/23/2004 🔍
07/15/2004 🔍
08/06/2004 🔍
08/06/2004 🔍
04/14/2015 🔍
04/13/2019 🔍
Sources
Vendor: kernel.orgAdvisory: xforce.iss.net
Status: Not defined
Confirmation: 🔍
CVE: CVE-2004-0596 (🔍)
X-Force: 16694
SecurityFocus: 10730 - Linux Kernel Equalizer Load Balancer Device Driver Local Denial Of Service Vulnerability
Entry
Created: 04/14/2015 13:15Updated: 04/13/2019 17:27
Changes: 04/14/2015 13:15 (50), 04/13/2019 17:27 (6)
Complete: 🔍
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