| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.8 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Linux Kernel 2.2.19. Affected is an unknown function of the component CPIA Driver. Performing a manipulation results in off-by-one. This vulnerability is reported as CVE-2001-1391. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Linux Kernel 2.2.19 (Operating System). This affects an unknown code of the component CPIA Driver. The manipulation with an unknown input leads to a off-by-one vulnerability. CWE is classifying the issue as CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. This is going to have an impact on integrity. The summary by CVE is:
Off-by-one vulnerability in CPIA driver of Linux kernel before 2.2.19 allows users to modify kernel memory.
The bug was discovered 04/09/2001. The weakness was disclosed 04/17/2001 (Website). It is possible to read the advisory at marc.info. This vulnerability is uniquely identified as CVE-2001-1391. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 38953 (Debian DSA-047-1 : kernel), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (11162), Tenable (38953), SecurityFocus (BID 2529†), OSVDB (9573†) and Vulnerability Center (SBV-15197†). The entries VDB-16586, VDB-16588, VDB-16589 and VDB-16590 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for 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: 4.0VulDB Meta Temp Score: 3.8
VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Off-by-oneCWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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: 38953
Nessus Name: Debian DSA-047-1 : kernel
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53864
OpenVAS Name: Debian Security Advisory DSA 047-1 (various kernel packages)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
03/27/2001 🔍04/09/2001 🔍
04/09/2001 🔍
04/16/2001 🔍
04/17/2001 🔍
04/17/2001 🔍
09/29/2004 🔍
05/22/2007 🔍
07/03/2014 🔍
06/25/2021 🔍
Sources
Vendor: kernel.orgAdvisory: marc.info
Status: Not defined
Confirmation: 🔍
CVE: CVE-2001-1391 (🔍)
GCVE (CVE): GCVE-0-2001-1391
GCVE (VulDB): GCVE-100-16587
X-Force: 11162
SecurityFocus: 2529
OSVDB: 9573 - CVE-2001-1391 - Linux kernel - CPIA driver - Off-by-One Issue
Vulnerability Center: 15197 - Linux Kernel Memory Modification via CPIA Driver, High
See also: 🔍
Entry
Created: 07/03/2014 16:28Updated: 06/25/2021 13:59
Changes: 07/03/2014 16:28 (69), 07/19/2019 16:37 (5), 06/25/2021 13:59 (4)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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