CVE-2023-45539

Aliases:DEBIAN-CVE-2023-45539CGA-26rw-v49w-fj73CGA-27qq-2ccc-24q7CGA-pfcv-9755-4cvwCGA-vxxg-rjrw-p8mg
Advisory lineage Upstream: 0 Downstream: 19
Modified
Published: 28 Nov 2023, 00:00
Last modified:15 Oct 2024, 17:44

Vulnerability Summary

Overall Risk (default)
medium
33/100
CVSS Score
8.2 HIGH
v3.1 (cve.org)
EPSS Score
1.53% LOW
2% probability +1.50%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Nov 2023, 00:00
Published
Vulnerability first disclosed
15 Oct 2024, 17:44
Last Modified
Vulnerability information updated

Description

HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.

CVSS Metrics

  • v3.1•HIGH•Score: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS Trends

Current EPSS score: 1.53%• Percentile: 74%

Techniques & Countermeasures

  • CWE-116•Improper Encoding or Escaping of Output

    The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

Affected Systems

  • chainguard•haproxy-2.4

    < 0

  • chainguard•haproxy-2.6

    < 0

  • debian•haproxy

    < 2.2.9-2+deb11u6 | < 2.6.12-1+deb12u1 | < 2.6.15-1 | < 2.6.15-1

  • haproxy•haproxy

    < 2.8.2

References (7)