CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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6.6 | $0-$5k | 0.00 |
A vulnerability has been found in webfs 1.17/1.18/1.19/1.20 and classified as critical. This vulnerability affects some unknown functionality of the component Pathname Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in webfs before 1.20 allows attackers to execute arbitrary code by creating directories that result in a long pathname.
The weakness was shared 11/17/2003 by Jens Steube (Website). The advisory is available at debian.org. This vulnerability was named CVE-2003-0833 since 09/26/2003. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.
A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 15229 (Debian DSA-392-1 : webfs - buffer overflows, file and directory exposure), 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 to version 1.20 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 databases at X-Force (13308) and Tenable (15229). The entry 20973 is related to this item.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
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Nessus ID: 15229
Nessus Name: Debian DSA-392-1 : webfs - buffer overflows, file and directory exposure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53676
OpenVAS Name: Debian Security Advisory DSA 392-1 (webfs)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: webfs 1.20
Timeline
09/26/2003 🔍09/29/2003 🔍
09/29/2003 🔍
09/29/2003 🔍
11/17/2003 🔍
11/17/2003 🔍
06/09/2004 🔍
09/29/2004 🔍
08/15/2014 🔍
05/21/2019 🔍
Sources
Advisory: debian.orgResearcher: Jens Steube
Status: Not defined
CVE: CVE-2003-0833 (🔍)
X-Force: 13308
Vulnerability Center: 4439 - Buffer Overflow in Webfs Before 1.20 Allows Execution of Arbitrary Code, Medium
SecurityFocus: 8726 - WebFS Long Pathname Buffer Overrun Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 08/15/2014 16:36Updated: 05/21/2019 19:00
Changes: 08/15/2014 16:36 (68), 05/21/2019 19:00 (8)
Complete: 🔍
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