Description

Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.

INFO

Published Date :

Sept. 19, 2022, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 7:21 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-40468 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-40468 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tinyproxy_project tinyproxy

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

yikesoftware

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 6, 2021, 9:21 a.m. This repo has been linked 15 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-40468 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-40468 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/tinyproxy/tinyproxy
    Added Reference https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346
    Added Reference https://github.com/tinyproxy/tinyproxy/issues/457
    Added Reference https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815
    Added Reference https://security.gentoo.org/glsa/202305-27
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 21, 2023

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202305-27 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 12, 2022

    Action Type Old Value New Value
    Changed Description Tinyproxy commit 84f203f and earlier does not process HTTP request lines in the process_request() function and is using uninitialized buffers. This vulnerability allows attackers to access sensitive information at system runtime. Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.
    Added Reference https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815 [No Types Assigned]
  • Reanalysis by [email protected]

    Oct. 04, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:* versions up to (excluding) 2022-09-08 OR *cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:* versions up to (including) 1.11.1
  • Initial Analysis by [email protected]

    Sep. 21, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://github.com/tinyproxy/tinyproxy No Types Assigned https://github.com/tinyproxy/tinyproxy Third Party Advisory
    Changed Reference Type https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346 No Types Assigned https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346 Exploit, Third Party Advisory
    Changed Reference Type https://github.com/tinyproxy/tinyproxy/issues/457 No Types Assigned https://github.com/tinyproxy/tinyproxy/issues/457 Exploit, Third Party Advisory
    Added CWE NIST CWE-1188
    Added CPE Configuration OR *cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:* versions up to (excluding) 2022-09-08
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-40468 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-40468 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} -0.00%

score

0.19874

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
© cvefeed.io
Latest DB Update: Jun. 27, 2025 3:40