CVE-2016-2161

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 27 Jul 2017, 21:00
Last modified:16 Sept 2024, 22:02

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
25.82% HIGH
26% probability -13.79%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Jul 2017, 21:00
Published
Vulnerability first disclosed
16 Sept 2024, 22:02
Last Modified
Vulnerability information updated

Description

In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.

CVSS Metrics

  • v3.0HIGHScore: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0MEDIUMScore: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 25.82% Percentile: 96%

Techniques & Countermeasures

  • CWE-823Use of Out-of-range Pointer Offset

    The product performs pointer arithmetic on a valid pointer, but it uses an offset that can point outside of the intended range of valid memory locations for the resulting pointer.

  • 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

  • apache software foundationapache http server

    2.4.0 to 2.4.23

  • UnknownHTTP Server

    2.4.0 | 2.4.1 | 2.4.2 | 2.4.3 | 2.4.6 | 2.4.7 | 2.4.8 | 2.4.9 | 2.4.10 | 2.4.12 | 2.4.14 | 2.4.16 | 2.4.19 | 2.4.20 | 2.4.21 | 2.4.22 | 2.4.23

References (27)