CVE-2015-3183

Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 20 Jul 2015, 23:00
Last modified:06 Aug 2024, 05:39

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
24.12% HIGH
24% probability -4.23%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 Jul 2015, 23:00
Published
Vulnerability first disclosed
06 Aug 2024, 05:39
Last Modified
Vulnerability information updated

Description

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.

CVSS Metrics

  • v2.0MEDIUMScore: 5AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 24.12% Percentile: 96%

Techniques & Countermeasures

  • CWE-17DEPRECATED: Code

    This entry has been deprecated. It was originally used for organizing the Development View (CWE-699) and some other views, but it introduced unnecessary complexity and depth to the resulting tree.

  • CWE-20Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • UnknownHTTP Server

    ≥ 2.2.0, < 2.2.31 | ≥ 2.4.0, < 2.4.16

References (53)