CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in Debian Linux 2.1/2.2 (Operating System). Affected by this vulnerability is some unknown functionality of the component fsh Daemon. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
fshd (fsh daemon) in Debian GNU/Linux allows local users to overwrite files of other users via a symlink attack.
The weakness was released 11/30/2000 by Colin Phipps (Website). It is possible to read the advisory at debian.org. This vulnerability is known as CVE-2000-1135. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (5633). Entry connected to this vulnerability is available at 16290.
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: 5.9VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.9
VulDB Temp Score: 5.3
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 |
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: SymlinkCWE: CWE-61 / CWE-59
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
11/30/2000 🔍11/30/2000 🔍
01/09/2001 🔍
04/09/2004 🔍
07/02/2014 🔍
05/28/2018 🔍
Sources
Vendor: debian.orgAdvisory: debian.org
Researcher: Colin Phipps
Status: Not defined
CVE: CVE-2000-1135 (🔍)
X-Force: 5633 - fshd under Linux allows a user to bypass tmp checking mechanisms and execute commands
OSVDB: 7208 - Debian fshd Symlink Arbitrary Command Execution
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 07/02/2014 17:03Updated: 05/28/2018 09:22
Changes: 07/02/2014 17:03 (57), 05/28/2018 09:22 (1)
Complete: 🔍
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