CVE-2001-0183 : Detail

CVE-2001-0183

8.91%V4
Network
2001-05-07
02h00 +00:00
2004-09-02
07h00 +00:00
CVE.org
NVD
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CVE Descriptions

ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection.

CVE Informations

Metrics

Metrics Score Severity CVSS Vector Source
V2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 20593

Publication date : 2001-01-22 23h00 +00:00
Author : Aragon Gouveia
EDB Verified : Yes

source: www.securityfocus.com/bid/2293/info There exists a serious vulnerability in FreeBSD's implementation of packet filtering for IPv4 and IPv6. The vulnerability exists in situations where a filtering rule permits packets through if they are part of an established connection. It is possible for packets that are not part of an established connection to be allowed through. These packets must have the ECE flag set, which is in the TCP reserved options field. Exploitation of this vulnerability may allow for unauthorized remote access to otherwise protected services. https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/20593.tgz

Products Mentioned

Configuraton 0

Freebsd>>Freebsd >> Version 3.0

Freebsd>>Freebsd >> Version 3.1

Freebsd>>Freebsd >> Version 3.3

Freebsd>>Freebsd >> Version 3.4

Freebsd>>Freebsd >> Version 3.5

Freebsd>>Freebsd >> Version 3.5.1

Freebsd>>Freebsd >> Version 4.0

Freebsd>>Freebsd >> Version 4.0

    Freebsd>>Freebsd >> Version 4.1

    Freebsd>>Freebsd >> Version 4.1.1

    Freebsd>>Freebsd >> Version 4.2

    References

    http://www.securityfocus.com/bid/2293
    Tags : vdb-entry, x_refsource_BID
    http://www.ciac.org/ciac/bulletins/l-029.shtml
    Tags : third-party-advisory, government-resource, x_refsource_CIAC
    http://www.osvdb.org/1743
    Tags : vdb-entry, x_refsource_OSVDB
    The information presented on CVE Find originates from several carefully selected reference sources. CVE data is provided by MITRE Corporation and the National Vulnerability Database (NVD). The Known Exploited Vulnerabilities (KEV) catalog is sourced from the Cybersecurity and Infrastructure Security Agency (CISA), while EPSS scores come from FIRST.org. Additionally, data regarding software weaknesses (CWE) and common attack patterns (CAPEC) is maintained by MITRE Corporation, and information on hardware and software configurations (CPE) is provided by the NVD.