CVE-2006-20001

Aliases:UBUNTU-CVE-2006-20001DEBIAN-CVE-2006-20001ALPINE-CVE-2006-20001
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 17 Jan 2023, 19:07
Last modified:13 Feb 2025, 16:27

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
3.55% LOW
4% probability +2.90%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Jan 2023, 19:07
Published
Vulnerability first disclosed
13 Feb 2025, 16:27
Last Modified
Vulnerability information updated

Description

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 3.55%• Percentile: 89%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • apache software foundation•apache http server

    ≥ 2.4, ≤ 2.4.54

  • apache•http_server

    < 2.4.55

  • alpine•apache2

    < 2.4.55-r0 | < 2.4.55-r0 | < 2.4.55-r0 | < 2.4.55-r0

  • debian•apache2

    < 2.4.56-1~deb11u1 | < 2.4.55-1 | < 2.4.55-1 | < 2.4.55-1

  • ubuntu•apache2

    all | < 2.4.18-2ubuntu3.17+esm8 | < 2.4.29-1ubuntu4.26 | < 2.4.41-4ubuntu3.13 | < 2.4.52-1ubuntu4.3

References (11)