FreeBSD/NetBSD/Linux Shared Memory mmap/shmget denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FreeBSD, NetBSD and Linux. Affected by this vulnerability is the function mmap/shmget of the component Shared Memory. The manipulation leads to denial of service. This vulnerability is traded as CVE-1999-1518. Furthermore, there is an exploit available. This vulnerability has a historic impact because of its background and how it was received. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD, NetBSD and Linux (Operating System) (affected version unknown) and classified as problematic. This issue affects the function mmap/shmget of the component Shared Memory. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Operating systems with shared memory implementations based on BSD 4.4 code allow a user to conduct a denial of service and bypass memory limits (e.g., as specified with rlimits) using mmap or shmget to allocate memory and cause page faults.

The weakness was shared 07/15/1999 by FIRST (Website). The advisory is shared at marc.theaimsgroup.com. The identification of this vulnerability is CVE-1999-1518. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/18/2024). Due to its background and reception, this vulnerability has a historic impact.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (2351), Exploit-DB (19423) and SecurityFocus (BID 526†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/15/1999 🔍
07/15/1999 +0 days 🔍
07/15/1999 +0 days 🔍
06/21/2014 +5455 days 🔍
06/18/2024 +3650 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: marc.theaimsgroup.com
Researcher: FIRST
Status: Not defined

CVE: CVE-1999-1518 (🔍)
GCVE (CVE): GCVE-0-1999-1518
GCVE (VulDB): GCVE-100-14729
X-Force: 2351 - Denial of service against BSD shared memory operating systems
SecurityFocus: 526 - Multiple Vendor Shared Memory Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/21/2014 12:10
Updated: 06/18/2024 16:41
Changes: 06/21/2014 12:10 (57), 04/04/2019 16:35 (2), 06/18/2024 16:41 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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