CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.7 | $0-$5k | 0.00 |
A vulnerability was found in OpenBSD 3.3 (Operating System). It has been declared as problematic. This vulnerability affects the function semget
. 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.
The bug was discovered 08/20/2003. The weakness was published 08/21/2003 by blexim with OpenBSD Team (Website). The advisory is available at tecchannel.de. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.
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 was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.openbsd.org.
The vulnerability is also documented in the vulnerability database at X-Force (12978). Additional details are provided at xforce.iss.net.
Product
Type
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: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: ftp.openbsd.org
Timeline
08/20/2003 🔍08/20/2003 🔍
08/21/2003 🔍
08/21/2003 🔍
08/21/2003 🔍
03/08/2021 🔍
Sources
Advisory: tecchannel.deResearcher: The discovery (blexim)
Organization: OpenBSD Team
Status: Confirmed
X-Force: 12978 - OpenBSD semget(2) function buffer overflow, Low Risk
SecurityFocus: 8464 - OpenBSD Semget() Integer Overflow Vulnerability
Secunia: 9581 - OpenBSD "semget()" Denial of Service Vulnerability, Not Critical
OSVDB: 2454 - OpenBSD semget() Overflow DoS
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
Entry
Created: 08/21/2003 17:51Updated: 03/08/2021 16:35
Changes: 08/21/2003 17:51 (69), 06/26/2019 12:08 (1), 03/08/2021 16:35 (1)
Complete: 🔍
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