CVE-2021-43691

tripexpress v1.1 is affected by a path manipulation vulnerability in file system/helpers/dompdf/load_font.php

published November 29, 2021

CVSS
โ€”
EPSS
2%
Percentile
75.2
In the wild
Unconfirmed
What it is

โš ๏ธ Uniquely tricky, this path manipulation flaw in tripexpress could ruffle some feathers! ๐Ÿฆš Think of a delivery driver who blindly follows an incorrectly labeled route on a map, potentially ending up at the wrong location instead of a client's doorstep. That's what's happening here with the src variable in tripexpress โ€“ it can be manipulated to access unintended files! If exploited, an attacker could potentially gain access to sensitive files on the server, leading to unauthorized information disclosure. While there are no known exploits yet, the risk of misdirected access is definitely something to keep an eye on.

Put simply

Think of a delivery driver who blindly follows an incorrectly labeled route on a map, potentially ending up at the wrong location instead of a client's doorstep. That's what's happening here with the src variable in tripexpress โ€“ it can be manipulated to access unintended files! This vulnerability occurs in tripexpress v1.1, where the src variable, derived from $_SERVER['argv'], can be manipulated to allow unauthorized file system access. This can lead to potential data leaks and unauthorized actions if not properly validated.

What to do

If exploited, an attacker could potentially gain access to sensitive files on the server, leading to unauthorized information disclosure. While there are no known exploits yet, the risk of misdirected access is definitely something to keep an eye on. To mitigate this risk, ensure that your tripexpress application is updated to the latest version. Implement strict validation on the src input to restrict file access to only necessary locations and consider applying additional security layers such as input sanitization and whitelisting. You've got this! Just follow these steps, and you'll be one step closer to a secure application! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01569 ยท 75.2th percentile
Published
2021-11-29T15:04Z
EPSS history
Timeline
  • 29 NOV 15:04Z
    tripexpress v1.1 is affected by a path manipulation vulnerability in file system/helpers/dompdf/load_font.php
    cvelistv5