VDB-14522 · CVE-1999-0377 · XFDB 3379

Unix Process Table denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Unix and classified as problematic. This affects an unknown part of the component Process Table. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-1999-0377. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Unix (Operating System) (the affected version is unknown) and classified as problematic. Affected by this issue is an unknown code of the component Process Table. 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. CVE summarizes:

Process table attack in Unix systems allows a remote attacker to perform a denial of service by filling a machine's process tables through multiple connections to network services.

The bug was discovered 02/20/1999. The weakness was disclosed 02/22/1999 (Website). The advisory is available at securitytracker.com. This vulnerability is handled as CVE-1999-0377. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3379), OSVDB (11488†) and Vulnerability Center (SBV-7426†). The entry VDB-78662 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Operating System

Name

Unix

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/20/1999 🔍
02/22/1999 +2 days 🔍
02/22/1999 +0 days 🔍
02/22/1999 +0 days 🔍
03/24/2005 +2222 days 🔍
06/20/2014 +3375 days 🔍
04/18/2026 +4320 days 🔍

Sourcesinfo

Advisory: securitytracker.com⛔
Status: Confirmed

CVE: CVE-1999-0377 (🔍)
GCVE (CVE): GCVE-0-1999-0377
GCVE (VulDB): GCVE-100-14522
X-Force: 3379
OSVDB: 11488 - CVE-1999-0377 - UNIX - Denial-Of-Service Issue
SecurityTracker: 1033881
Vulnerability Center: 7426 - DoS in Unix Systems via Process Table, Medium

See also: 🔍

Entryinfo

Created: 06/20/2014 17:09
Updated: 04/18/2026 14:16
Changes: 06/20/2014 17:09 (53), 05/31/2019 00:29 (4), 06/23/2021 09:20 (3), 04/18/2026 14:16 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.