FreeBSD 5.4 TCP Session Timer resource management

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.
4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in FreeBSD 5.4. Affected by this vulnerability is an unknown functionality of the component TCP Session Timer. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2014-7250. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in FreeBSD 5.4 (Operating System). This vulnerability affects some unknown functionality of the component TCP Session Timer. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The TCP stack in 4.3BSD Net/2, as used in FreeBSD 5.4, NetBSD possibly 2.0, and OpenBSD possibly 3.6, does not properly implement the session timer, which allows remote attackers to cause a denial of service (resource consumption) via crafted packets.

The weakness was released 11/21/2014 as FreeBSD 10.1-RELEASE Release Notes as confirmed release notes (Website). The advisory is available at freebsd.org. This vulnerability was named CVE-2014-7250 since 09/30/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (98883) and Vulnerability Center (SBV-47576†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/30/2014 🔍
11/21/2014 +52 days 🔍
11/21/2014 +0 days 🔍
11/24/2014 +3 days 🔍
12/11/2014 +17 days 🔍
12/14/2014 +3 days 🔍
06/15/2017 +914 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: FreeBSD 10.1-RELEASE Release Notes
Status: Confirmed

CVE: CVE-2014-7250 (🔍)
GCVE (CVE): GCVE-0-2014-7250
GCVE (VulDB): GCVE-100-68266
X-Force: 98883 - BSD TCP session timer denial of service, Medium Risk
Vulnerability Center: 47576 - FreeBSD, NetBSD and OpenBSD Remote DoS due to a Flaw in 4.3BSD Net/2, Medium

Entryinfo

Created: 11/24/2014 09:45
Updated: 06/15/2017 11:22
Changes: 11/24/2014 09:45 (39), 06/15/2017 11:22 (20)
Complete: 🔍
Cache ID: 216:9D8:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!